Note- We have ID = = /dt = /dt = dq /dt = I ε0 dΦ/dt ε0d(EA) ε0d[(q/ ε0A)A] 2. Modified circuital Law Ampere’s = µ0 (I + ) ε0 dΦ/dt ∮B.dl 3. Learn only one order either increasing wavelength or frequency .other calculated by c= ν λ ,velocity of light c=3x108m/s Name Frequency Production Uses h Range (Hz) Range 1. Gamma 1019 10-11 to Emitted by radioactive In medicine, to – rays 1023 10-14m nuclei, destroy cancer cells. Produced in nuclear reaction 2. X rays 1016 - 10-8 to 10- Generated by bombarding a Used as diagnostic – 1020 metal target by high energy tool in medicine, electron to study crystal structures 3. Ultraviolet 1015 (4 × 10-7 to Produced by special lamps & For eye surgery, – rays 1017 6 × 10-10) very hot bodies (sun). to kill germs in m water purifiers. 4. Visible 4 × 1014 700 400 Jumping of electrons in Provide us – – rays 7 × 1014 nm higher orbits information about the world. 5. Infrared 1012 - 1mm - 700 Produced by hot bodies and Infrared detectors rays (heat 1014 nm molecules. used in earth waves) satellite, used in green house to keep plants warm. 6. microwave 1010 - 0.1 1 mm Produced by special vacuum Microwave oven, – 1012 tubes (klystrons, gun diode & for radar system in magnetrons) aircraft navigation. 7. Radio 10 - 109 > 0.1 m Produced by accelerated In radio & waves motion of charges in television conducting wires. communication system, in cellular phones to transmit voice communication. Question Answer related to this topic
Note- We have ID = ε0 dΦ/dt = ε0d(EA) /dt = ε0d[(q/ ε0A)A] /dt = dq /dt = I 2. Modified Ampere’s circuital Law ∮B.dl = µ0 (I + ε0 dΦ/dt ) 3. Learn only one order either increasing wavelength or frequency .other calculated by c= ν λ ,velocity of light c=3x108m/s Name Frequency Range (Hz) Range Production Uses 1. Gamma rays 1019 – 1023 10-11 to 10-14m Emitted by radioactive nuclei, Produced in nuclear reaction In medicine, to destroy cancer cells. 2. X – rays 1016 - 1020 10-8 to Generated by bombarding a metal target by high energy electron Used as diagnostic tool in medicine, to study crystal structures 3. Ultraviolet rays 1015 – 1017 (4 × 10-7 to 6 × 10-10) m Produced by special lamps & very hot bodies (sun). For eye surgery, to kill germs in water purifiers. 4. Visible rays 4 × 1014 – 7 × 1014 700 – 400 nm Jumping of electrons in higher orbits Provide us information about the world. 5. Infrared rays (heat waves) 1012 - 1014 1mm - 700 nm Produced by hot bodies and molecules. Infrared detectors used in earth satellite, used in green house to keep plants warm. 6. 1010 - 1012 0.1 – 1 mm Produced by special vacuum tubes (klystrons, gun diode & magnetrons) Microwave oven, for radar system in aircraft navigation. 7. Radio waves 10 - 109 > 0.1 m Produced by accelerated motion of charges in conducting wires. In radio & television communication system, in cellular phones to transmit voice communication. Question Answer related to this topic microwave h 10-