2 Interference of light Observe and explain 3.3.2.1 Interference using a laser MS 2.2, 2.3 Change the subject of 6.1 interference using a laser as a as a source of monochromatic an equation, and substitute Students learn about source of monochromatic light light numerical values using double-slit interference of appropriate units laser light and microwaves. Observe and explain the Fringe spacing, interference pattern using PS 3.2 Process and analyse data Students will be expected to white light using appropriate mathematical describe and explain interference skills Investigate two-source produced with electromagnetic interference with microwave waves PS 4.1 Know and understand how radiation to use a wide range of Production of interference experimental and practical Understand and use the pattern using white light instruments, equipment and equation for fringe spacing, techniques Appreciate that knowledge and ATi Generate and measure waves understanding of the nature of electromagnetic radiation has changed over time 3 Young’s slits Demonstrate mastery of the 3.3.2.1 Young’s double-slit MS 0.6, 4.5 Use sin and tan in 6.1, 6.2 Required following practical competencies: experiment: the use of two physical problems, and use Practical 2 Students carry out and coherent sources or the use of a calculators to handle sin x and (Part 1): analyse the results of Follows written procedures single source with double slits to tan x Investigation Young’s double-slit produce an interference pattern of interference Applies investigative experiment. This is part of a PS 2.3 Evaluate results and draw effects to approaches and methods when Required Practical. Students are expected to show conclusions with reference to include the using instruments and awareness of safety issues measurement uncertainties and Young’s slit equipment associated with using lasers errors experiment Safely uses a range of practical Students will not be required to ATa Use appropriate analogue equipment and materials describe how a laser works apparatus Makes and records ATc Use methods to increase observations accuracy ATe Use callipers to measure small distances, using vernier scales ATj Use a laser to investigate characteristics of light, including interference
2 Interference of light Students learn about double-slit interference of laser light and microwaves. Observe and explain interference using a laser as a source of monochromatic light Observe and explain the interference pattern using white light Investigate two-source interference with microwave radiation Understand and use the equation for fringe spacing, Appreciate that knowledge and understanding of the nature of electromagnetic radiation has changed over time 3.3.2.1 Interference using a laser as a source of monochromatic light Fringe spacing, Students will be expected to describe and explain interference produced with electromagnetic waves Production of interference pattern using white light MS 2.2, 2.3 Change the subject of an equation, and substitute numerical values using appropriate units PS 3.2 Process and analyse data using appropriate mathematical skills PS 4.1 Know and understand how to use a wide range of experimental and practical instruments, equipment and techniques ATi Generate and measure waves 6.1 3 Young’s slits Students carry out and analyse the results of Young’s double-slit experiment. This is part of a Required Practical. Demonstrate mastery of the following practical competencies: Follows written procedures Applies investigative approaches and methods when using instruments and equipment Safely uses a range of practical equipment and materials Makes and records observations 3.3.2.1 Young’s double-slit experiment: the use of two coherent sources or the use of a single source with double slits to produce an interference pattern Students are expected to show awareness of safety issues associated with using lasers Students will not be required to describe how a laser works MS 0.6, 4.5 Use sin and tan in physical problems, and use calculators to handle sin x and tan x PS 2.3 Evaluate results and draw conclusions with reference to measurement uncertainties and errors ATa Use appropriate analogue apparatus ATc Use methods to increase accuracy ATe Use callipers to measure small distances, using vernier scales ATj Use a laser to investigate characteristics of light, including interference 6.1, 6.2 Required Practical 2 (Part 1): Investigation of interference effects to include the Young’s slit experiment
Physics%20SoW%20Year%201.docx