Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs in many applications and are becoming increasingly common as costs decline. A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument.
Please like our facebook page
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published:05 May 2010

views:726071

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

published:28 Nov 2012

views:405613

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

published:01 Oct 2008

views:417689

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

published:07 May 2014

views:217644

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charged particles.
A moving charged body behaves like a tiny magnet, and it can interact with am external magnetic field. The electrons are deflected by the magnetic field.
As expected, when the direction of the external magnet field is reversed, the beam of electrons is deflected in the opposite direction.
In 1897, JJ Thomson, and English physicist, determined the charge-to-mass ratio of an electron.
He adjusted the electric field so that the electrostatic deflection (0E) was the same as the magnetic deflection (0B), and was able to calculate the charge-to-mass ratio of an electron using the following equation:
Where E is the applied electrical field, 0 is the angle of deflection, B is the applied magnetic field, and / is the distance traveled by the cathode rays.
Thomson determined the charge-to-mass ratio of an electron to be -1.76 x 10 eight power coulombs per gram.
hope i helped... ^^
Please Subscribe!.. and hit Like!

published:07 Apr 2012

views:360062

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson's plum pudding model of the atom.

published:02 Feb 2011

views:242759

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
Chapter Playlist - https://www.youtube.com/playlist?list=PL3aIa9xtFdj1BUUuZqe3-NG6FKfcKQf9y
You can now download AvantiGurukul app and get access to full Avanti content created by India's most loved teachers on your smartphone. Download the app here: https://play.google.com/store/apps/details?id=in.avanti.gurukul.learning.cbse.ncert.iit.video.test.doubt&referrer=utm_source%3DYouTube%26utm_medium%3DYouTube%2520Description%26utm_campaign%3DAll-YT-Description
If you liked this video subscribe to Avanti Gurukul's Youtube channel here: https://www.youtube.com/channel/UC-V8QqGWtHmTtsoMGVLk1ZA
To know more visit our website on https://www.avanti.in/
Like us on Facebook @ https://www.facebook.com/avantilearningcentres/
Follow us on Twitter @ https://twitter.com/AvantiLC
C2.1.1

published:13 Jun 2016

views:118593

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

published:09 Mar 2009

views:371263

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
Please like our facebook page
http://www.facebook.com/tutorvista

published:26 Mar 2013

views:271243

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

published:15 Dec 2016

views:3939

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Cathode_ray_tube
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.
The vacuum level inside the tube is high vacuum on the order of 0.01 Pa to 133 nPa.
In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument...
The experimentation of cathode rays is largely accredited to J. J. Thomson, an English physicist who, in his three famous experiments, was able to deflect cathode rays, a fundamental function of the modern CRT. The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen, which marked the first time that CRT technology was used for what is now known as television.
The first cathode ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise) and HarryWeiner Weinhart of Western Electric, and became a commercial product in 1922.
It was named by inventor Vladimir K. Zworykin in 1929. RCA was granted a trademark for the term (for its cathode ray tube) in 1932; it voluntarily released the term to the public domain in 1950.
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934...
Although a mainstay of display technology for decades, CRT-based computer monitors and televisions constitute a dead technology. The demand for CRT screens has dropped precipitously since 2000...
In 2005, Sony announced that they would stop the production of CRT computer displays. Samsung did not introduce any CRT models for the 2008 model year...

published:14 Apr 2015

views:12555

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

Cathode ray

Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen GoldsteinKathodenstrahlen, or cathode rays.

Electrons were first discovered as the constituents of cathode rays. In 1897 British physicist J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle, which was later named the electron. Cathode ray tubes (CRTs) use a focused beam of electrons deflected by electric or magnetic fields to create the image in a classic television set.

Description

Cathode rays are so named because they are emitted by the negative electrode, or cathode, in a vacuum tube. To release electrons into the tube, they first must be detached from the atoms of the cathode. In the early cold cathode vacuum tubes, called Crookes tubes, this was done by using a high electrical potential between the anode and the cathode to ionize the residual gas in the tube; the ions were accelerated by the electric field and released electrons when they collided with the cathode. Modern vacuum tubes use thermionic emission, in which the cathode is made of a thin wire filament which is heated by a separate electric current passing through it. The increased random heat motion of the filament knocks electrons out at the surface of the filament, into the evacuated space of the tube.

Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a phosphorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).

The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.

Since 2008, CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.

Cathode Ray Tube

Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs in many applications and are becoming increasingly common as costs decline. A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument.
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11:08

Discovery of the Electron: Cathode Ray Tube Experiment

Discovery of the Electron: Cathode Ray Tube Experiment

Discovery of the Electron: Cathode Ray Tube Experiment

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

2:49

Cathode Ray Tube

Cathode Ray Tube

Cathode Ray Tube

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

4:20

Incredible Homemade Cathode Ray Tube - Part 1

Incredible Homemade Cathode Ray Tube - Part 1

Incredible Homemade Cathode Ray Tube - Part 1

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

1:48

Cathode Ray Tube

Cathode Ray Tube

Cathode Ray Tube

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charged particles.
A moving charged body behaves like a tiny magnet, and it can interact with am external magnetic field. The electrons are deflected by the magnetic field.
As expected, when the direction of the external magnet field is reversed, the beam of electrons is deflected in the opposite direction.
In 1897, JJ Thomson, and English physicist, determined the charge-to-mass ratio of an electron.
He adjusted the electric field so that the electrostatic deflection (0E) was the same as the magnetic deflection (0B), and was able to calculate the charge-to-mass ratio of an electron using the following equation:
Where E is the applied electrical field, 0 is the angle of deflection, B is the applied magnetic field, and / is the distance traveled by the cathode rays.
Thomson determined the charge-to-mass ratio of an electron to be -1.76 x 10 eight power coulombs per gram.
hope i helped... ^^
Please Subscribe!.. and hit Like!

3:13

Cathode Rays Lead to Thomson's Model of the Atom

Cathode Rays Lead to Thomson's Model of the Atom

Cathode Rays Lead to Thomson's Model of the Atom

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson's plum pudding model of the atom.

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
Chapter Playlist - https://www.youtube.com/playlist?list=PL3aIa9xtFdj1BUUuZqe3-NG6FKfcKQf9y
You can now download AvantiGurukul app and get access to full Avanti content created by India's most loved teachers on your smartphone. Download the app here: https://play.google.com/store/apps/details?id=in.avanti.gurukul.learning.cbse.ncert.iit.video.test.doubt&referrer=utm_source%3DYouTube%26utm_medium%3DYouTube%2520Description%26utm_campaign%3DAll-YT-Description
If you liked this video subscribe to Avanti Gurukul's Youtube channel here: https://www.youtube.com/channel/UC-V8QqGWtHmTtsoMGVLk1ZA
To know more visit our website on https://www.avanti.in/
Like us on Facebook @ https://www.facebook.com/avantilearningcentres/
Follow us on Twitter @ https://twitter.com/AvantiLC
C2.1.1

4:15

Dark Tranquillity - Cathode Ray Sunshine

Dark Tranquillity - Cathode Ray Sunshine

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

6:17

Cathode Ray Oscilloscope and its Applications

Cathode Ray Oscilloscope and its Applications

Cathode Ray Oscilloscope and its Applications

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
Please like our facebook page
http://www.facebook.com/tutorvista

1:48

Cathode Ray Tube - Animated Explanation

Cathode Ray Tube - Animated Explanation

Cathode Ray Tube - Animated Explanation

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

15:12

Cathode Ray Tube: How It Works 1943 US Navy Training Film

Cathode Ray Tube: How It Works 1943 US Navy Training Film

Cathode Ray Tube: How It Works 1943 US Navy Training Film

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Cathode_ray_tube
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.
The vacuum level inside the tube is high vacuum on the order of 0.01 Pa to 133 nPa.
In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument...
The experimentation of cathode rays is largely accredited to J. J. Thomson, an English physicist who, in his three famous experiments, was able to deflect cathode rays, a fundamental function of the modern CRT. The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen, which marked the first time that CRT technology was used for what is now known as television.
The first cathode ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise) and HarryWeiner Weinhart of Western Electric, and became a commercial product in 1922.
It was named by inventor Vladimir K. Zworykin in 1929. RCA was granted a trademark for the term (for its cathode ray tube) in 1932; it voluntarily released the term to the public domain in 1950.
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934...
Although a mainstay of display technology for decades, CRT-based computer monitors and televisions constitute a dead technology. The demand for CRT screens has dropped precipitously since 2000...
In 2005, Sony announced that they would stop the production of CRT computer displays. Samsung did not introduce any CRT models for the 2008 model year...

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

1:18

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen Goldstein Kathodenstrahlen, or cathode rays.

Cathode Ray Tube

DIY Cathode Ray Tube: Interacting With Electrons

In this video, I will show you the process I used to build a Cathode Ray Tube. It was made using a glass test tube. This CRT is really cool and can be used as a tube that can create a cool glow. It can also be used as an apparatus that can be used to replicate the Thomson experiment for the purpose of teaching or learning about the subatomic electron particle.

1:10

Cathode ray tube and electron

Cathode ray tube and electron

Cathode ray tube and electron

Magnetic Forces and Magnetic Fields

Magnetic Forces and Magnetic Fields
Hi. I’m Dr. Bruce Denardo here in the Physics Department of the Naval Postgraduate School in Monterey, California.
When a charged particle moves through a magnetic field, a force on the particle can occur. This is the fundamental magnetic force. In this video, we will present a demonstration of the effect. In other videos, we will use the concept of the magnetic force to explain other demonstrations, including a jumping wire and a loudspeaker.
2. CATHODE RAYTUBE
This is a cathode ray tube, which produces a beam of electrons. The beam is visible due to argon gas in the tube. The electrons are moving so fast here that gravity is negligible.
Watch what happens when I bring a magnet near the beam. The beam deflects, which shows that there is a transverse force due to the magnet on the moving electrons. In general, any charged particle that is moving in a magnetic field will experience this fundamental magnetic force.
The beam is horizontal outward. When the magnetic field points to the right, the beam bends downward. Switchingthe direction of the field by flipping the magnet switches the direction of bending. When the magnetic field points downward, the beam bends to the left. But, of course! We can think of this as just rotating the first demonstration clockwise by 90 degrees. Note that the beam always deflects perpendicular to both the magnetic field and the velocity of the electrons. Finally, there is no force when the magnetic field is parallel to the beam.
The fundamental magnetic force law quantitatively accounts for our observations. The force is the charge times the vector (or cross) product of the velocity and the magnetic field. The force is perpendicular to both the velocity and the magnetic field, and the direction is given by the right-hand rule. The force is a maximum when the velocity and magnetic field are perpendicular to each other, and is zero when they are parallel.
Let’s check the magnetic force law for the cathode ray tube in the case where the magnetic field points to the right. Using the right-hand rule, the force should be up, but the deflection is down! What’s wrong?
Electrons have negative charge, which flips the direction of the force. So the magnetic force law does work here!
3. CONCLUSION
A charged particle that is moving in a magnetic field can experience a force, which is the fundamental magnetic force. The force is given in general by the charge of the particle times the vector product of the velocity of the particle and the magnetic field.
What if we have the common situation of a wire that is carrying an electric current? If the wire is in a magnetic field, there will in general be a force on the moving charges and thus a force on the wire. This leads to many demonstrations and applications. We will show some of these in other videos. It is important to remember that the physics behind these observations comes from the fundamental magnetic force law that can be demonstrated by a cathode ray tube and a magnet.
Physics lecture demonstrations are always fascinating, and the quest for them never ends. This is the Physics Department of the Naval Postgraduate School, and I’m Dr. Bruce Denardo. Thank you.
Magnetic Forces and Magnetic Fields
http://youtu.be/RqSode4HZrE

3:15

Class 6-10 - The Cathode Ray Tube

Class 6-10 - The Cathode Ray Tube

Class 6-10 - The Cathode Ray Tube

Have you heard of a particle accelerator? Does it have anything in common with a cathode ray tube? What came first… the discovery of electrons or the discovery of electricity? The particles striking the end of the tube were negatively charged. How did this conclusion come to be? Learn about all these things in this video.
We at Byju's Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.
Our website- http://www.byjus.com/
Download our app on android- https://goo.gl/5Uz70E
Download our app on an Apple device- https://goo.gl/2mLi1I

Cathode Ray Tube

Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs...

published: 05 May 2010

Discovery of the Electron: Cathode Ray Tube Experiment

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

published: 28 Nov 2012

Cathode Ray Tube

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

published: 01 Oct 2008

Incredible Homemade Cathode Ray Tube - Part 1

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

published: 07 May 2014

Cathode Ray Tube

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charg...

published: 07 Apr 2012

Cathode Rays Lead to Thomson's Model of the Atom

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson'...

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
Chapter Playlist - https://www.youtube.com/playlist?list=PL3aIa9xtFdj1BUUuZqe3-NG6FKfcKQf9y
You can now download AvantiGurukul app and get access to full Avanti cont...

published: 13 Jun 2016

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

published: 09 Mar 2009

Cathode Ray Oscilloscope and its Applications

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
Please like our facebook page
http://www.facebook.com/tutorvista

published: 26 Mar 2013

Cathode Ray Tube - Animated Explanation

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

published: 15 Dec 2016

Cathode Ray Tube: How It Works 1943 US Navy Training Film

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
...

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

published: 12 Jun 2012

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen Goldstein Kathodenstrahlen, or cathode rays.

RC Unit 3: Demo - Cathode Ray Tube

Cathode Ray Tube

The path of the electron beam is curved in a magnetic field.

published: 19 Feb 2008

DIY Cathode Ray Tube: Interacting With Electrons

In this video, I will show you the process I used to build a Cathode Ray Tube. It was made using a glass test tube. This CRT is really cool and can be used as a tube that can create a cool glow. It can also be used as an apparatus that can be used to replicate the Thomson experiment for the purpose of teaching or learning about the subatomic electron particle.

published: 16 May 2017

Cathode ray tube and electron

Magnetic Forces and Magnetic Fields

Magnetic Forces and Magnetic Fields
Hi. I’m Dr. Bruce Denardo here in the Physics Department of the Naval Postgraduate School in Monterey, California.
When a charged particle moves through a magnetic field, a force on the particle can occur. This is the fundamental magnetic force. In this video, we will present a demonstration of the effect. In other videos, we will use the concept of the magnetic force to explain other demonstrations, including a jumping wire and a loudspeaker.
2. CATHODE RAYTUBE
This is a cathode ray tube, which produces a beam of electrons. The beam is visible due to argon gas in the tube. The electrons are moving so fast here that gravity is negligible.
Watch what happens when I bring a magnet near the beam. The beam deflects, which shows that there ...

published: 09 Feb 2015

Class 6-10 - The Cathode Ray Tube

Have you heard of a particle accelerator? Does it have anything in common with a cathode ray tube? What came first… the discovery of electrons or the discovery of electricity? The particles striking the end of the tube were negatively charged. How did this conclusion come to be? Learn about all these things in this video.
We at Byju's Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.
Our website- http://www.byjus.com/
Download our app on android- https://goo.gl/5Uz70E
Download our app on an Apple device- https://goo.gl/2mLi1I

Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs in many applications and are becoming increasingly common as costs decline. A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument.
Please like our facebook page
http://www.facebook.com/tutorvista

Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs in many applications and are becoming increasingly common as costs decline. A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument.
Please like our facebook page
http://www.facebook.com/tutorvista

Discovery of the Electron: Cathode Ray Tube Experiment

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the ...

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

Cathode Ray Tube

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and a...

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

Incredible Homemade Cathode Ray Tube - Part 1

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so brig...

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charged particles.
A moving charged body behaves like a tiny magnet, and it can interact with am external magnetic field. The electrons are deflected by the magnetic field.
As expected, when the direction of the external magnet field is reversed, the beam of electrons is deflected in the opposite direction.
In 1897, JJ Thomson, and English physicist, determined the charge-to-mass ratio of an electron.
He adjusted the electric field so that the electrostatic deflection (0E) was the same as the magnetic deflection (0B), and was able to calculate the charge-to-mass ratio of an electron using the following equation:
Where E is the applied electrical field, 0 is the angle of deflection, B is the applied magnetic field, and / is the distance traveled by the cathode rays.
Thomson determined the charge-to-mass ratio of an electron to be -1.76 x 10 eight power coulombs per gram.
hope i helped... ^^
Please Subscribe!.. and hit Like!

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charged particles.
A moving charged body behaves like a tiny magnet, and it can interact with am external magnetic field. The electrons are deflected by the magnetic field.
As expected, when the direction of the external magnet field is reversed, the beam of electrons is deflected in the opposite direction.
In 1897, JJ Thomson, and English physicist, determined the charge-to-mass ratio of an electron.
He adjusted the electric field so that the electrostatic deflection (0E) was the same as the magnetic deflection (0B), and was able to calculate the charge-to-mass ratio of an electron using the following equation:
Where E is the applied electrical field, 0 is the angle of deflection, B is the applied magnetic field, and / is the distance traveled by the cathode rays.
Thomson determined the charge-to-mass ratio of an electron to be -1.76 x 10 eight power coulombs per gram.
hope i helped... ^^
Please Subscribe!.. and hit Like!

Cathode Rays Lead to Thomson's Model of the Atom

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from...

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson's plum pudding model of the atom.

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson's plum pudding model of the atom.

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
Chapter Playlist - https://www.youtube.com/playlist?list=PL3aIa9xtFdj1BUUuZqe3-NG6FKfcKQf9y
You can now download AvantiGurukul app and get access to full Avanti content created by India's most loved teachers on your smartphone. Download the app here: https://play.google.com/store/apps/details?id=in.avanti.gurukul.learning.cbse.ncert.iit.video.test.doubt&referrer=utm_source%3DYouTube%26utm_medium%3DYouTube%2520Description%26utm_campaign%3DAll-YT-Description
If you liked this video subscribe to Avanti Gurukul's Youtube channel here: https://www.youtube.com/channel/UC-V8QqGWtHmTtsoMGVLk1ZA
To know more visit our website on https://www.avanti.in/
Like us on Facebook @ https://www.facebook.com/avantilearningcentres/
Follow us on Twitter @ https://twitter.com/AvantiLC
C2.1.1

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
Chapter Playlist - https://www.youtube.com/playlist?list=PL3aIa9xtFdj1BUUuZqe3-NG6FKfcKQf9y
You can now download AvantiGurukul app and get access to full Avanti content created by India's most loved teachers on your smartphone. Download the app here: https://play.google.com/store/apps/details?id=in.avanti.gurukul.learning.cbse.ncert.iit.video.test.doubt&referrer=utm_source%3DYouTube%26utm_medium%3DYouTube%2520Description%26utm_campaign%3DAll-YT-Description
If you liked this video subscribe to Avanti Gurukul's Youtube channel here: https://www.youtube.com/channel/UC-V8QqGWtHmTtsoMGVLk1ZA
To know more visit our website on https://www.avanti.in/
Like us on Facebook @ https://www.facebook.com/avantilearningcentres/
Follow us on Twitter @ https://twitter.com/AvantiLC
C2.1.1

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nightt...

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

Cathode Ray Oscilloscope and its Applications

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.php
Catho...

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
Please like our facebook page
http://www.facebook.com/tutorvista

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
Please like our facebook page
http://www.facebook.com/tutorvista

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Cathode_ray_tube
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.
The vacuum level inside the tube is high vacuum on the order of 0.01 Pa to 133 nPa.
In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument...
The experimentation of cathode rays is largely accredited to J. J. Thomson, an English physicist who, in his three famous experiments, was able to deflect cathode rays, a fundamental function of the modern CRT. The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen, which marked the first time that CRT technology was used for what is now known as television.
The first cathode ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise) and HarryWeiner Weinhart of Western Electric, and became a commercial product in 1922.
It was named by inventor Vladimir K. Zworykin in 1929. RCA was granted a trademark for the term (for its cathode ray tube) in 1932; it voluntarily released the term to the public domain in 1950.
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934...
Although a mainstay of display technology for decades, CRT-based computer monitors and televisions constitute a dead technology. The demand for CRT screens has dropped precipitously since 2000...
In 2005, Sony announced that they would stop the production of CRT computer displays. Samsung did not introduce any CRT models for the 2008 model year...

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Cathode_ray_tube
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.
The vacuum level inside the tube is high vacuum on the order of 0.01 Pa to 133 nPa.
In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument...
The experimentation of cathode rays is largely accredited to J. J. Thomson, an English physicist who, in his three famous experiments, was able to deflect cathode rays, a fundamental function of the modern CRT. The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen, which marked the first time that CRT technology was used for what is now known as television.
The first cathode ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise) and HarryWeiner Weinhart of Western Electric, and became a commercial product in 1922.
It was named by inventor Vladimir K. Zworykin in 1929. RCA was granted a trademark for the term (for its cathode ray tube) in 1932; it voluntarily released the term to the public domain in 1950.
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934...
Although a mainstay of display technology for decades, CRT-based computer monitors and televisions constitute a dead technology. The demand for CRT screens has dropped precipitously since 2000...
In 2005, Sony announced that they would stop the production of CRT computer displays. Samsung did not introduce any CRT models for the 2008 model year...

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in...

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If ...

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen Goldstein Kathodenstrahlen, or cathode rays.

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen Goldstein Kathodenstrahlen, or cathode rays.

DIY Cathode Ray Tube: Interacting With Electrons

In this video, I will show you the process I used to build a Cathode Ray Tube. It was made using a glass test tube. This CRT is really cool and can be used as...

In this video, I will show you the process I used to build a Cathode Ray Tube. It was made using a glass test tube. This CRT is really cool and can be used as a tube that can create a cool glow. It can also be used as an apparatus that can be used to replicate the Thomson experiment for the purpose of teaching or learning about the subatomic electron particle.

In this video, I will show you the process I used to build a Cathode Ray Tube. It was made using a glass test tube. This CRT is really cool and can be used as a tube that can create a cool glow. It can also be used as an apparatus that can be used to replicate the Thomson experiment for the purpose of teaching or learning about the subatomic electron particle.

Magnetic Forces and Magnetic Fields
Hi. I’m Dr. Bruce Denardo here in the Physics Department of the Naval Postgraduate School in Monterey, California.
When a charged particle moves through a magnetic field, a force on the particle can occur. This is the fundamental magnetic force. In this video, we will present a demonstration of the effect. In other videos, we will use the concept of the magnetic force to explain other demonstrations, including a jumping wire and a loudspeaker.
2. CATHODE RAYTUBE
This is a cathode ray tube, which produces a beam of electrons. The beam is visible due to argon gas in the tube. The electrons are moving so fast here that gravity is negligible.
Watch what happens when I bring a magnet near the beam. The beam deflects, which shows that there is a transverse force due to the magnet on the moving electrons. In general, any charged particle that is moving in a magnetic field will experience this fundamental magnetic force.
The beam is horizontal outward. When the magnetic field points to the right, the beam bends downward. Switchingthe direction of the field by flipping the magnet switches the direction of bending. When the magnetic field points downward, the beam bends to the left. But, of course! We can think of this as just rotating the first demonstration clockwise by 90 degrees. Note that the beam always deflects perpendicular to both the magnetic field and the velocity of the electrons. Finally, there is no force when the magnetic field is parallel to the beam.
The fundamental magnetic force law quantitatively accounts for our observations. The force is the charge times the vector (or cross) product of the velocity and the magnetic field. The force is perpendicular to both the velocity and the magnetic field, and the direction is given by the right-hand rule. The force is a maximum when the velocity and magnetic field are perpendicular to each other, and is zero when they are parallel.
Let’s check the magnetic force law for the cathode ray tube in the case where the magnetic field points to the right. Using the right-hand rule, the force should be up, but the deflection is down! What’s wrong?
Electrons have negative charge, which flips the direction of the force. So the magnetic force law does work here!
3. CONCLUSION
A charged particle that is moving in a magnetic field can experience a force, which is the fundamental magnetic force. The force is given in general by the charge of the particle times the vector product of the velocity of the particle and the magnetic field.
What if we have the common situation of a wire that is carrying an electric current? If the wire is in a magnetic field, there will in general be a force on the moving charges and thus a force on the wire. This leads to many demonstrations and applications. We will show some of these in other videos. It is important to remember that the physics behind these observations comes from the fundamental magnetic force law that can be demonstrated by a cathode ray tube and a magnet.
Physics lecture demonstrations are always fascinating, and the quest for them never ends. This is the Physics Department of the Naval Postgraduate School, and I’m Dr. Bruce Denardo. Thank you.
Magnetic Forces and Magnetic Fields
http://youtu.be/RqSode4HZrE

Magnetic Forces and Magnetic Fields
Hi. I’m Dr. Bruce Denardo here in the Physics Department of the Naval Postgraduate School in Monterey, California.
When a charged particle moves through a magnetic field, a force on the particle can occur. This is the fundamental magnetic force. In this video, we will present a demonstration of the effect. In other videos, we will use the concept of the magnetic force to explain other demonstrations, including a jumping wire and a loudspeaker.
2. CATHODE RAYTUBE
This is a cathode ray tube, which produces a beam of electrons. The beam is visible due to argon gas in the tube. The electrons are moving so fast here that gravity is negligible.
Watch what happens when I bring a magnet near the beam. The beam deflects, which shows that there is a transverse force due to the magnet on the moving electrons. In general, any charged particle that is moving in a magnetic field will experience this fundamental magnetic force.
The beam is horizontal outward. When the magnetic field points to the right, the beam bends downward. Switchingthe direction of the field by flipping the magnet switches the direction of bending. When the magnetic field points downward, the beam bends to the left. But, of course! We can think of this as just rotating the first demonstration clockwise by 90 degrees. Note that the beam always deflects perpendicular to both the magnetic field and the velocity of the electrons. Finally, there is no force when the magnetic field is parallel to the beam.
The fundamental magnetic force law quantitatively accounts for our observations. The force is the charge times the vector (or cross) product of the velocity and the magnetic field. The force is perpendicular to both the velocity and the magnetic field, and the direction is given by the right-hand rule. The force is a maximum when the velocity and magnetic field are perpendicular to each other, and is zero when they are parallel.
Let’s check the magnetic force law for the cathode ray tube in the case where the magnetic field points to the right. Using the right-hand rule, the force should be up, but the deflection is down! What’s wrong?
Electrons have negative charge, which flips the direction of the force. So the magnetic force law does work here!
3. CONCLUSION
A charged particle that is moving in a magnetic field can experience a force, which is the fundamental magnetic force. The force is given in general by the charge of the particle times the vector product of the velocity of the particle and the magnetic field.
What if we have the common situation of a wire that is carrying an electric current? If the wire is in a magnetic field, there will in general be a force on the moving charges and thus a force on the wire. This leads to many demonstrations and applications. We will show some of these in other videos. It is important to remember that the physics behind these observations comes from the fundamental magnetic force law that can be demonstrated by a cathode ray tube and a magnet.
Physics lecture demonstrations are always fascinating, and the quest for them never ends. This is the Physics Department of the Naval Postgraduate School, and I’m Dr. Bruce Denardo. Thank you.
Magnetic Forces and Magnetic Fields
http://youtu.be/RqSode4HZrE

Class 6-10 - The Cathode Ray Tube

Have you heard of a particle accelerator? Does it have anything in common with a cathode ray tube? What came first… the discovery of electrons or the discovery ...

Have you heard of a particle accelerator? Does it have anything in common with a cathode ray tube? What came first… the discovery of electrons or the discovery of electricity? The particles striking the end of the tube were negatively charged. How did this conclusion come to be? Learn about all these things in this video.
We at Byju's Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.
Our website- http://www.byjus.com/
Download our app on android- https://goo.gl/5Uz70E
Download our app on an Apple device- https://goo.gl/2mLi1I

Have you heard of a particle accelerator? Does it have anything in common with a cathode ray tube? What came first… the discovery of electrons or the discovery of electricity? The particles striking the end of the tube were negatively charged. How did this conclusion come to be? Learn about all these things in this video.
We at Byju's Classes strongly believe that a spirit of learning and understanding can only be inculcated when the student is curious, and that curiosity can be brought about by creative and effective teaching. It is this approach that makes our lectures so successful and gives our students an edge over their counterparts.
Our website- http://www.byjus.com/
Download our app on android- https://goo.gl/5Uz70E
Download our app on an Apple device- https://goo.gl/2mLi1I

"AtomicStructureVideo Lecture of Chemistry for IIT-JEEMain and Advanced by PO Sir. PO Sir is known for his focused and simplified JEE teaching to bring to students an easy and analytical methodology towards IIT-JEE.
This course is designed and developed by the experienced faculty of KOTA and www.etoosindia.com.
#chem po atomic structure c-po-11-0201-atomic-structure-150608-vh"

published: 05 Dec 2015

Discovery of cathode rays and Anode rays and J.J Thomson atomic Model

published: 15 Dec 2014

Cathode ray experiment: Atomic Structure - 02 for Class 11th

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube with a cathode and anode on one end that creates a beam of electrons travelling towards the other end of the tube.
Get Full Course To StudyOffline through our website:
http://www.m-learning.in
Call Us at : (+91)9826023696,
Mail us at :info@m-learning.in

Electronics playlist: https://www.youtube.com/playlist?list=PLAA9B0175C3E15B47
US NavyTrainingFilm playlist: https://www.youtube.com/playlist?list=PLA40407C12E5E35A7
more at: http://scitech.quickfound.net
"Explains wide application of the cathode ray in making instantaneous graphs of the wave form of an electric current."
US Navy Training Film MN-2104B
Public domain film from the US Navy, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-s...

published: 10 Sep 2016

Tektronix: The Cathode Ray Tube - Window to Electronics

Basic description of the operation of a cathode ray tube and a detailed description of the manufacturing process at Tektronix. This movie is from the era of all-glass CRT's. Tektronix later pioneered the construction of CRT's with ceramic funnels. Our apologies to the creators of this film, as the opening credits were on the leader, which was damaged.

published: 03 Jul 2017

Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of electrons or electron emitter) and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, ...

חלקיקי האטום - ניסויי גילוי, קתודה

Testing CRTs and Old Television Graveyard

Testing picture tubes in abandoned houses, going through electronics in old dump and overview of what I brought home. There is an abandoned TV translator site on a peak some 20 miles away that I would guess served this area, nothing now, no digital OTA. Only satellite

published: 03 May 2016

Let's Play StarLancer - E1 - CDs and Cathode Ray Tubes

Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, we must escort a convoy carrying supplies to an Alliance base orbiting a moon of Neptune.
Starlancer is an old space sim made in 2000. Rise through the ranks of the Alliance, restore peace and order to the cosmos, and blow s#$% up in a thorough, realistic and futuristic setting.
Let's Play Starlancer Playlist!
http://www.youtube.com/playlist?list=PL4FK51vK87I960UFq6Lya9VPrSRmhQ_9U
Livestream: http://www.twitch.tv/birdtross
Twitter: http://twitter.com/Birdtross
Reddit: http://www.reddit.com/r/Birdtross/
Thanks for watching, and kia kaha! :D
If you enjoyed, don't forget to hit the like button, and share with your friends! If you're new, make sure to subscribe to keep up to date with my content!

published: 20 Mar 2014

1st year Exp 4 Cathode Ray Oscilloscope CRO OR Credit Exp1

published: 26 Sep 2017

Oscilloscope Cathode Rays Measuring Electronic Voltage & Time 1940s

Subscribe Please :)
Cathode Ray Oscilloscope - Oscilloscopes observe the change of an electrical signal over time, where voltage and time describe a shape which is continuously .
An animation shows how the electron beam moves inside the cathode ray tube (electrostatic and electromagnetic forces). Close up of the plates used in .

the cathode ray oscilloscope

Cathode Ray Tube

A demonstration and explanation of several cathode ray experiments using various Crookes tubes powered by a high voltage induction transformer. In one example a Geiger counter is used to measure the radiation of the x-rays produced by the Crookes tube.

Cathode rays oscilloscope

JJ thomson and his electron

In this video I review, with the physics explained, how JJ Thomson discovered the electron
I briefly review the history prior and also touch on electric fields, magnetic fields and circular motion and how they all contribute to JJ tThomson's discovery
Please like and share
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"AtomicStructureVideo Lecture of Chemistry for IIT-JEEMain and Advanced by PO Sir. PO Sir is known for his focused and simplified JEE teaching to bring to students an easy and analytical methodology towards IIT-JEE.
This course is designed and developed by the experienced faculty of KOTA and www.etoosindia.com.
#chem po atomic structure c-po-11-0201-atomic-structure-150608-vh"

"AtomicStructureVideo Lecture of Chemistry for IIT-JEEMain and Advanced by PO Sir. PO Sir is known for his focused and simplified JEE teaching to bring to students an easy and analytical methodology towards IIT-JEE.
This course is designed and developed by the experienced faculty of KOTA and www.etoosindia.com.
#chem po atomic structure c-po-11-0201-atomic-structure-150608-vh"

Cathode ray experiment: Atomic Structure - 02 for Class 11th

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube wi...

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube with a cathode and anode on one end that creates a beam of electrons travelling towards the other end of the tube.
Get Full Course To StudyOffline through our website:
http://www.m-learning.in
Call Us at : (+91)9826023696,
Mail us at :info@m-learning.in

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube with a cathode and anode on one end that creates a beam of electrons travelling towards the other end of the tube.
Get Full Course To StudyOffline through our website:
http://www.m-learning.in
Call Us at : (+91)9826023696,
Mail us at :info@m-learning.in

Electronics playlist: https://www.youtube.com/playlist?list=PLAA9B0175C3E15B47
US NavyTrainingFilm playlist: https://www.youtube.com/playlist?list=PLA40407C12E5E35A7
more at: http://scitech.quickfound.net
"Explains wide application of the cathode ray in making instantaneous graphs of the wave form of an electric current."
US Navy Training Film MN-2104B
Public domain film from the US Navy, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
https://en.wikipedia.org/wiki/Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. Other signals (such as sound or vibration) can be converted to voltages and displayed.
Oscilloscopes are used to observe the change of an electrical signal over time, such that voltage and time describe a shape which is continuously graphed against a calibrated scale. The observed waveform can be analyzed for such properties as amplitude, frequency, rise time, time interval, distortion and others. Modern digital instruments may calculate and display these properties directly. Originally, calculation of these values required manually measuring the waveform against the scales built into the screen of the instrument.
The oscilloscope can be adjusted so that repetitive signals can be observed as a continuous shape on the screen. A storage oscilloscope allows single events to be captured by the instrument and displayed for a relatively long time, allowing observation of events too fast to be directly perceptible.
Oscilloscopes are used in the sciences, medicine, engineering, automotive and the telecommunications industry. General-purpose instruments are used for maintenance of electronic equipment and laboratory work. Special-purpose oscilloscopes may be used for such purposes as analyzing an automotive ignition system or to display the waveform of the heartbeat as an electrocardiogram.
Before the advent of digital electronics, oscilloscopes used cathode ray tubes (CRTs) as their display element (hence were commonly referred to as CROs) and linear amplifiers for signal processing. Storage oscilloscopes used special storage CRTs to maintain a steady display of a single brief signal. CROs were later largely superseded by digital storage oscilloscopes (DSOs) with thin panel displays, fast analog-to-digital converters and digital signal processors. DSOs without integrated displays (sometimes known as digitisers) are available at lower cost and use a general-purpose digital computer to process and display waveforms...

Electronics playlist: https://www.youtube.com/playlist?list=PLAA9B0175C3E15B47
US NavyTrainingFilm playlist: https://www.youtube.com/playlist?list=PLA40407C12E5E35A7
more at: http://scitech.quickfound.net
"Explains wide application of the cathode ray in making instantaneous graphs of the wave form of an electric current."
US Navy Training Film MN-2104B
Public domain film from the US Navy, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
https://en.wikipedia.org/wiki/Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. Other signals (such as sound or vibration) can be converted to voltages and displayed.
Oscilloscopes are used to observe the change of an electrical signal over time, such that voltage and time describe a shape which is continuously graphed against a calibrated scale. The observed waveform can be analyzed for such properties as amplitude, frequency, rise time, time interval, distortion and others. Modern digital instruments may calculate and display these properties directly. Originally, calculation of these values required manually measuring the waveform against the scales built into the screen of the instrument.
The oscilloscope can be adjusted so that repetitive signals can be observed as a continuous shape on the screen. A storage oscilloscope allows single events to be captured by the instrument and displayed for a relatively long time, allowing observation of events too fast to be directly perceptible.
Oscilloscopes are used in the sciences, medicine, engineering, automotive and the telecommunications industry. General-purpose instruments are used for maintenance of electronic equipment and laboratory work. Special-purpose oscilloscopes may be used for such purposes as analyzing an automotive ignition system or to display the waveform of the heartbeat as an electrocardiogram.
Before the advent of digital electronics, oscilloscopes used cathode ray tubes (CRTs) as their display element (hence were commonly referred to as CROs) and linear amplifiers for signal processing. Storage oscilloscopes used special storage CRTs to maintain a steady display of a single brief signal. CROs were later largely superseded by digital storage oscilloscopes (DSOs) with thin panel displays, fast analog-to-digital converters and digital signal processors. DSOs without integrated displays (sometimes known as digitisers) are available at lower cost and use a general-purpose digital computer to process and display waveforms...

Tektronix: The Cathode Ray Tube - Window to Electronics

Basic description of the operation of a cathode ray tube and a detailed description of the manufacturing process at Tektronix. This movie is from the era of all...

Basic description of the operation of a cathode ray tube and a detailed description of the manufacturing process at Tektronix. This movie is from the era of all-glass CRT's. Tektronix later pioneered the construction of CRT's with ceramic funnels. Our apologies to the creators of this film, as the opening credits were on the leader, which was damaged.

Basic description of the operation of a cathode ray tube and a detailed description of the manufacturing process at Tektronix. This movie is from the era of all-glass CRT's. Tektronix later pioneered the construction of CRT's with ceramic funnels. Our apologies to the creators of this film, as the opening credits were on the leader, which was damaged.

Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of electrons or electron emitter) and a fluorescent screen used to vi...

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of electrons or electron emitter) and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
This video is targeted to blind users.
Attribution:
Article text available under CC-BY-SACreative Commons image source in video

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of electrons or electron emitter) and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
This video is targeted to blind users.
Attribution:
Article text available under CC-BY-SACreative Commons image source in video

Testing CRTs and Old Television Graveyard

Testing picture tubes in abandoned houses, going through electronics in old dump and overview of what I brought home. There is an abandoned TV translator site o...

Testing picture tubes in abandoned houses, going through electronics in old dump and overview of what I brought home. There is an abandoned TV translator site on a peak some 20 miles away that I would guess served this area, nothing now, no digital OTA. Only satellite

Testing picture tubes in abandoned houses, going through electronics in old dump and overview of what I brought home. There is an abandoned TV translator site on a peak some 20 miles away that I would guess served this area, nothing now, no digital OTA. Only satellite

Let's Play StarLancer - E1 - CDs and Cathode Ray Tubes

Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, we must escort a convoy carrying supplies to an Alliance base orbiting ...

Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, we must escort a convoy carrying supplies to an Alliance base orbiting a moon of Neptune.
Starlancer is an old space sim made in 2000. Rise through the ranks of the Alliance, restore peace and order to the cosmos, and blow s#$% up in a thorough, realistic and futuristic setting.
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Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, we must escort a convoy carrying supplies to an Alliance base orbiting a moon of Neptune.
Starlancer is an old space sim made in 2000. Rise through the ranks of the Alliance, restore peace and order to the cosmos, and blow s#$% up in a thorough, realistic and futuristic setting.
Let's Play Starlancer Playlist!
http://www.youtube.com/playlist?list=PL4FK51vK87I960UFq6Lya9VPrSRmhQ_9U
Livestream: http://www.twitch.tv/birdtross
Twitter: http://twitter.com/Birdtross
Reddit: http://www.reddit.com/r/Birdtross/
Thanks for watching, and kia kaha! :D
If you enjoyed, don't forget to hit the like button, and share with your friends! If you're new, make sure to subscribe to keep up to date with my content!

Subscribe Please :)
Cathode Ray Oscilloscope - Oscilloscopes observe the change of an electrical signal over time, where voltage and time describe a shape which is continuously .
An animation shows how the electron beam moves inside the cathode ray tube (electrostatic and electromagnetic forces). Close up of the plates used in .

Subscribe Please :)
Cathode Ray Oscilloscope - Oscilloscopes observe the change of an electrical signal over time, where voltage and time describe a shape which is continuously .
An animation shows how the electron beam moves inside the cathode ray tube (electrostatic and electromagnetic forces). Close up of the plates used in .

Cathode Ray Tube

A demonstration and explanation of several cathode ray experiments using various Crookes tubes powered by a high voltage induction transformer. In one example a...

A demonstration and explanation of several cathode ray experiments using various Crookes tubes powered by a high voltage induction transformer. In one example a Geiger counter is used to measure the radiation of the x-rays produced by the Crookes tube.

A demonstration and explanation of several cathode ray experiments using various Crookes tubes powered by a high voltage induction transformer. In one example a Geiger counter is used to measure the radiation of the x-rays produced by the Crookes tube.

JJ thomson and his electron

In this video I review, with the physics explained, how JJ Thomson discovered the electron
I briefly review the history prior and also touch on electric fields,...

In this video I review, with the physics explained, how JJ Thomson discovered the electron
I briefly review the history prior and also touch on electric fields, magnetic fields and circular motion and how they all contribute to JJ tThomson's discovery
Please like and share
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In this video I review, with the physics explained, how JJ Thomson discovered the electron
I briefly review the history prior and also touch on electric fields, magnetic fields and circular motion and how they all contribute to JJ tThomson's discovery
Please like and share
Subscribe to my channel
like me on facebook - https://www.facebook.com/HighSchoolPhysicsExplained/
Consider supporting my channel

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

published: 09 Mar 2009

Karaoke Ladies Night Cathode Ray

published: 17 Oct 2013

Karaoke

published: 15 Aug 2017

Karaoke Machine Hacked into An Oscilloscope!!! (5.18.11)

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Today I thought i would try something that has been floating around in my mind for quite a while now! I have an old karaoke machine that is a cd player and a little black and white CRT (cathode ray tube) tv monitor. I always wondered what would happen if i took the leads from the audio headed to the speakers and rerouted it over to the magnets that the CRT uses to aim the cathode ray at the screen! the re...

The sound of music

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nightt...

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

Karaoke Machine Hacked into An Oscilloscope!!! (5.18.11)

CLICK HERE TO HELP JENN AND I WITH OUR WEDDING!
We are really having a hard time coming up with money to pay for our wedding so every little bit helps! Please...

CLICK HERE TO HELP JENN AND I WITH OUR WEDDING!
We are really having a hard time coming up with money to pay for our wedding so every little bit helps! Please donate at http://www.paypal.com as friend or family of TheTimTrackerWedding@gmail.com
Also let me know if you guys are getting tired of seeing the donation link! I don't want to make you upset, its just expensive to get married!
Today I thought i would try something that has been floating around in my mind for quite a while now! I have an old karaoke machine that is a cd player and a little black and white CRT (cathode ray tube) tv monitor. I always wondered what would happen if i took the leads from the audio headed to the speakers and rerouted it over to the magnets that the CRT uses to aim the cathode ray at the screen! the result was magical! i think i made an oscilloscope! all in just a few minutes!!!
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CLICK HERE TO HELP JENN AND I WITH OUR WEDDING!
We are really having a hard time coming up with money to pay for our wedding so every little bit helps! Please donate at http://www.paypal.com as friend or family of TheTimTrackerWedding@gmail.com
Also let me know if you guys are getting tired of seeing the donation link! I don't want to make you upset, its just expensive to get married!
Today I thought i would try something that has been floating around in my mind for quite a while now! I have an old karaoke machine that is a cd player and a little black and white CRT (cathode ray tube) tv monitor. I always wondered what would happen if i took the leads from the audio headed to the speakers and rerouted it over to the magnets that the CRT uses to aim the cathode ray at the screen! the result was magical! i think i made an oscilloscope! all in just a few minutes!!!
my links!
SkitChannel - http://www.youtube.com/skittyskittybangbang
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Cathode Ray Tube

Follow us at: https://twitter.com/TutorVista
Check us out at http://chemistry.tutorvista.com/inorganic-chemistry/cathode-ray-tube-experiment.htmlCathode Ray TubeThe Cathode RayTube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. The image may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets and others.
The CRT uses an evacuated glass envelope which is large, deep, heavy, and relatively fragile. Display technologies without these disadvantages, such as flat plasma displays, liquid crystal displays, DLP, OLED have replaced CRTs in many applications and are becoming increasingly common as costs decline. A cathode ray tube is a vacuum tube which consists of one or more electron guns, possibly internal electrostatic deflection plates, and a phosphor target. In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument.
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11:08

Discovery of the Electron: Cathode Ray Tube Experiment

To see all my Chemistry videos, check out
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J.J. Thompson dis...

Discovery of the Electron: Cathode Ray Tube Experiment

To see all my Chemistry videos, check out
http://socratic.org/chemistry
J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles. This disproved John Dalton's theory of the atom, and Thompson came up with the plum pudding model of the atom.

Cathode Ray Tube

Demo 10 HChem
"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter."
—J. J. Thomson (Philosophical Magazine, 44, 293 (1897))

4:20

Incredible Homemade Cathode Ray Tube - Part 1

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum ...

Incredible Homemade Cathode Ray Tube - Part 1

Ask any questions in the comments. Do not attempt to recreate this experiment. The vacuum on this tube is not enough to create a beam that does not glow so bright. This may be considered a "rarified arc in a vacuum" but it still demonstrates the properties of a cathode ray tube. Don't post nasty comments. You may be blocked.

1:48

Cathode Ray Tube

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is ...

Cathode Ray Tube

This is the official Video of Cathode Ray Tube by sir JJ Thomson..
A Cathode ray tube is the forerunner of the television tube. It is a glass tube from which
most of the air has been evacuated.
When the two metal plates are connected to a high-voltage source, the negatively charged plate, called the cathode, emits an invisible ray.
The cathode ray is drawn to the positively charged plate, called the anode, where it passes through a hole and continues traveling to the other end of the tube.
When the ray strikes the specially coated surface, the cathode ray produces a strong fluorescence, or bright light.
When an electric field is applied across the cathode ray tube, the cathode ray is attracted by the plate bearing positive charges. Therefore, a cathode ray must consist of negatively charged particles.
A moving charged body behaves like a tiny magnet, and it can interact with am external magnetic field. The electrons are deflected by the magnetic field.
As expected, when the direction of the external magnet field is reversed, the beam of electrons is deflected in the opposite direction.
In 1897, JJ Thomson, and English physicist, determined the charge-to-mass ratio of an electron.
He adjusted the electric field so that the electrostatic deflection (0E) was the same as the magnetic deflection (0B), and was able to calculate the charge-to-mass ratio of an electron using the following equation:
Where E is the applied electrical field, 0 is the angle of deflection, B is the applied magnetic field, and / is the distance traveled by the cathode rays.
Thomson determined the charge-to-mass ratio of an electron to be -1.76 x 10 eight power coulombs per gram.
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3:13

Cathode Rays Lead to Thomson's Model of the Atom

In the mid 1800's scientists successfully passed an electric current through a vacuum in a...

Cathode Rays Lead to Thomson's Model of the Atom

In the mid 1800's scientists successfully passed an electric current through a vacuum in a glass tube. They saw a glow from the tube that seemed to emanate from the negatively charged plate called the cathode. Since scientists didn't know what the glow was they called it a cathode ray. There was debate over whether the cathode ray was a wave phenomenon like light or a stream of negatively charged particles. JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same particle was in all different cathode materials so it must be a constituent common to all atoms. This changed our understanding of the atom from the previous billiard ball model to Thomson's plum pudding model of the atom.

Video by our Chemistry Expert - Ashwin Sir
about what is an electron, charge of Electron and Dalton's Atomic Theory and Concepts on Cathode Ray Tube- I. Videos by top IIT JEE teachers who are also IIT JEE top rankers.
Use the links below to navigate to different concepts covered in this video
Introduction - https://youtu.be/-rLcHVV0J64?t=6
Construction - https://youtu.be/-rLcHVV0J64?t=72
Experiment - https://youtu.be/-rLcHVV0J64?t=179Charge to mass ratio - https://youtu.be/-rLcHVV0J64?t=275
Factors on which cathode rays depend - https://youtu.be/-rLcHVV0J64?t=421
Next Video - https://www.youtube.com/watch?v=0iU1lpbM0Bg
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C2.1.1

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

6:17

Cathode Ray Oscilloscope and its Applications

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Check out us at:http://www.tutorvista...

Cathode Ray Oscilloscope and its Applications

Follow us at: https://plus.google.com/+tutorvista/
Check out us at:http://www.tutorvista.com/content/physics/physics-ii/modern-physics/cathode-rays.phpCathode Ray OscilloscopeThe cathode ray oscilloscope is used as an animation in the laboratories. Since it is more reliable, stable and ease of operation , the animation of the cathode ray oscilloscope is used in lab. The animation of the cathode ray oscilloscope which is used in the lab provide the measurement of voltage signals.
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1:48

Cathode Ray Tube - Animated Explanation

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 180...

Cathode Ray Tube - Animated Explanation

The cathode ray tube was invented by German physicist Karl Ferdinand Braun in the late 1800s and eventually became widely adopted as display technology. This was a school project from two years ago that I just decided to upload

15:12

Cathode Ray Tube: How It Works 1943 US Navy Training Film

more at: http://scitech.quickfound.net
Instructional film explains the basic principles a...

Cathode Ray Tube: How It Works 1943 US Navy Training Film

more at: http://scitech.quickfound.net
Instructional film explains the basic principles and function of a cathode ray tube (electron beam exciting phosphors), which was then used primarily for oscilloscopes and radar, but later would become best known as the TV picture tube.
At about 14:25 the film runs backwards for a few seconds, then forwards again.
US NavyTrainingFilm MN-2104a
Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
http://en.wikipedia.org/wiki/Cathode_ray_tube
The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns, and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
CRTs have largely been superseded by newer display technologies such as LCD, plasma display, and OLED, which have lower manufacturing costs, power consumption, weight and bulk.
The vacuum level inside the tube is high vacuum on the order of 0.01 Pa to 133 nPa.
In television sets and computer monitors, the entire front area of the tube is scanned repetitively and systematically in a fixed pattern called a raster. An image is produced by controlling the intensity of each of the three electron beams, one for each additive primary color (red, green, and blue) with a video signal as a reference. In all modern CRT monitors and televisions, the beams are bent by magnetic deflection, a varying magnetic field generated by coils and driven by electronic circuits around the neck of the tube, although electrostatic deflection is commonly used in oscilloscopes, a type of diagnostic instrument...
The experimentation of cathode rays is largely accredited to J. J. Thomson, an English physicist who, in his three famous experiments, was able to deflect cathode rays, a fundamental function of the modern CRT. The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the Braun tube. It was a cold-cathode diode, a modification of the Crookes tube with a phosphor-coated screen.
In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen, which marked the first time that CRT technology was used for what is now known as television.
The first cathode ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise) and HarryWeiner Weinhart of Western Electric, and became a commercial product in 1922.
It was named by inventor Vladimir K. Zworykin in 1929. RCA was granted a trademark for the term (for its cathode ray tube) in 1932; it voluntarily released the term to the public domain in 1950.
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934...
Although a mainstay of display technology for decades, CRT-based computer monitors and televisions constitute a dead technology. The demand for CRT screens has dropped precipitously since 2000...
In 2005, Sony announced that they would stop the production of CRT computer displays. Samsung did not introduce any CRT models for the 2008 model year...

CRT's use a property called focused electron beam tube, glass shell vacuum(tube) an electron gun, causes the electrons to go through the cathode to the anode in between these there are a grid charging ring, hole in the grid, phosphorus, and shadow mask is basically what makes yo your focused electron beam controllable.Raster is controlled by the system clock RTC module and its responsible for scrolling teh electron gun across the screen 15,734 times a second and vertically 59.94 times a second, the ZET or Z axis controls the brightness to the spot in a CRT, These same principals are why we have CRT, LCD, LED tv's etc. Raster is where all TV's come in. Behind the faceplate there is a shadow mask.

1:18

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron ...

Cathode ray - How does it work ? - Animated with 3d

Cathode ray - How does it work ? - Animated with 3d
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen Goldstein Kathodenstrahlen, or cathode rays.

5:02

Incredible Homemade Cathode Ray Tube - Part 2

Ask any questions in the comments. Do not attempt this yourself. Images courtesy of Google...

Incredible Homemade Cathode Ray Tube - Part 2

Cathode ray

Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite of the negative electrode is observed to glow, due to electrons emitted from and travelling perpendicular to the cathode (the electrode connected to the negative terminal of the voltage supply). They were first observed in 1869 by German physicist Johann Hittorf, and were named in 1876 by Eugen GoldsteinKathodenstrahlen, or cathode rays.

Electrons were first discovered as the constituents of cathode rays. In 1897 British physicist J. J. Thomson showed the rays were composed of a previously unknown negatively charged particle, which was later named the electron. Cathode ray tubes (CRTs) use a focused beam of electrons deflected by electric or magnetic fields to create the image in a classic television set.

Description

Cathode rays are so named because they are emitted by the negative electrode, or cathode, in a vacuum tube. To release electrons into the tube, they first must be detached from the atoms of the cathode. In the early cold cathode vacuum tubes, called Crookes tubes, this was done by using a high electrical potential between the anode and the cathode to ionize the residual gas in the tube; the ions were accelerated by the electric field and released electrons when they collided with the cathode. Modern vacuum tubes use thermionic emission, in which the cathode is made of a thin wire filament which is heated by a separate electric current passing through it. The increased random heat motion of the filament knocks electrons out at the surface of the filament, into the evacuated space of the tube.

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Martinez grounder to open the ninth sparked a rally that led to three runs and another Rays defeat to the rival Red Sox, 4-1 ... As in most of the nine games the Rays have now lost to the Red Sox, a good effort still ended badly. Chris Archer matched up terrifically with former Rays ace Price, student versus mentor, for six innings, getting out of the one big mess he made with only one run ... But, once again, the Rays (22-25) came up short....

Another county native and 2008 CU graduate, WayneRay was hired in August 2017 to bring the Phoenix marching band back from the ashes. While the university’s concert and pep band programs have continued, the marching band had fallen into disarray, Ray said in an exclusive interview with The WilsonPost... When asked if it was fair to say most people don’t realize that the band recruits just like an athletic team, Ray said, “Absolutely....

Satyajit Ray may have been dead for 26 years, but his memory – the memory of his marvellous movies – fails to fade ... And it seemed so incredible that one of them was a young Arab journalist, not even 40, who shot a dozen questions at me about Ray ... to cherish Ray and his cinematic excellence....

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Cathode ray experiment: Atomic Structure - 02 for Class 11th

Over the course of three experiments J. J. Thomson discovered the existence of electrons. He did this using a cathode ray tube, which is a vacuum-sealed tube with a cathode and anode on one end that creates a beam of electrons travelling towards the other end of the tube.
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"Explains wide application of the cathode ray in making instantaneous graphs of the wave form of an electric current."
US Navy Training Film MN-2104B
Public domain film from the US Navy, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).
http://creativecommons.org/licenses/by-sa/3.0/
https://en.wikipedia.org/wiki/Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. Other signals (such as sound or vibration) can be converted to voltages and displayed.
Oscilloscopes are used to observe the change of an electrical signal over time, such that voltage and time describe a shape which is continuously graphed against a calibrated scale. The observed waveform can be analyzed for such properties as amplitude, frequency, rise time, time interval, distortion and others. Modern digital instruments may calculate and display these properties directly. Originally, calculation of these values required manually measuring the waveform against the scales built into the screen of the instrument.
The oscilloscope can be adjusted so that repetitive signals can be observed as a continuous shape on the screen. A storage oscilloscope allows single events to be captured by the instrument and displayed for a relatively long time, allowing observation of events too fast to be directly perceptible.
Oscilloscopes are used in the sciences, medicine, engineering, automotive and the telecommunications industry. General-purpose instruments are used for maintenance of electronic equipment and laboratory work. Special-purpose oscilloscopes may be used for such purposes as analyzing an automotive ignition system or to display the waveform of the heartbeat as an electrocardiogram.
Before the advent of digital electronics, oscilloscopes used cathode ray tubes (CRTs) as their display element (hence were commonly referred to as CROs) and linear amplifiers for signal processing. Storage oscilloscopes used special storage CRTs to maintain a steady display of a single brief signal. CROs were later largely superseded by digital storage oscilloscopes (DSOs) with thin panel displays, fast analog-to-digital converters and digital signal processors. DSOs without integrated displays (sometimes known as digitisers) are available at lower cost and use a general-purpose digital computer to process and display waveforms...

31:51

Tektronix: The Cathode Ray Tube - Window to Electronics

Basic description of the operation of a cathode ray tube and a detailed description of the...

Tektronix: The Cathode Ray Tube - Window to Electronics

Basic description of the operation of a cathode ray tube and a detailed description of the manufacturing process at Tektronix. This movie is from the era of all-glass CRT's. Tektronix later pioneered the construction of CRT's with ceramic funnels. Our apologies to the creators of this film, as the opening credits were on the leader, which was damaged.

36:40

Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source...

Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of electrons or electron emitter) and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam(s) onto the screen to create the images. The images may represent electrical waveforms (oscilloscope), pictures (television, computer monitor), radar targets or others. CRTs have also been used as memory devices, in which case the visible light emitted from the fluorescent material (if any) is not intended to have significant meaning to a visual observer (though the visible pattern on the tube face may cryptically represent the stored data).
The CRT uses an evacuated glass envelope which is large, deep (i.e. long from front screen face to rear end), fairly heavy, and relatively fragile. As a matter of safety, the face is typically made of thick lead glass so as to be highly shatter-resistant and to block most X-ray emissions, particularly if the CRT is used in a consumer product.
This video is targeted to blind users.
Attribution:
Article text available under CC-BY-SACreative Commons image source in video

49:32

Electric Fields, Equipotentials,Cathode Ray Tubes Part 2

2/10/15 Discussion of the Electric Field Mapping and Equipotential Lines experiment. Intro...

Testing CRTs and Old Television Graveyard

Testing picture tubes in abandoned houses, going through electronics in old dump and overview of what I brought home. There is an abandoned TV translator site on a peak some 20 miles away that I would guess served this area, nothing now, no digital OTA. Only satellite

28:55

Let's Play StarLancer - E1 - CDs and Cathode Ray Tubes

Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, w...

Let's Play StarLancer - E1 - CDs and Cathode Ray Tubes

Kia ora! Today we go through the tutorial/tour, and complete mission 1! In this mission, we must escort a convoy carrying supplies to an Alliance base orbiting a moon of Neptune.
Starlancer is an old space sim made in 2000. Rise through the ranks of the Alliance, restore peace and order to the cosmos, and blow s#$% up in a thorough, realistic and futuristic setting.
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Oscilloscope Cathode Rays Measuring Electronic Voltage & Time 1940s

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Cathode Ray Oscilloscope - Oscilloscopes observe the change of an electrical signal over time, where voltage and time describe a shape which is continuously .
An animation shows how the electron beam moves inside the cathode ray tube (electrostatic and electromagnetic forces). Close up of the plates used in .

Dark Tranquillity - Cathode Ray Sunshine

Carry our streams
Lift up our less than elated lives
Transmit our selves
We breathe out
Where no one whispers
Take in all the dark light
Turn the nighttime into day
Cathode raySunshineSpeak out and we receive
Show me and let us in
Alienate
Block out all
Amid the breaking of the light
See it again and again
Single sight
Sensory perception
Turn the nighttime into day
To our great distrust
Escapism a means of
Getting through alive
Take it in and spit it out again
That measly filth
Focal degradation
Bring the chaos into light
Cathode ray Sunshine
Burn

Karaoke Machine Hacked into An Oscilloscope!!! (5.18.11)

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Today I thought i would try something that has been floating around in my mind for quite a while now! I have an old karaoke machine that is a cd player and a little black and white CRT (cathode ray tube) tv monitor. I always wondered what would happen if i took the leads from the audio headed to the speakers and rerouted it over to the magnets that the CRT uses to aim the cathode ray at the screen! the result was magical! i think i made an oscilloscope! all in just a few minutes!!!
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Catheter

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