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AQA 3.3 Waves
3.3.1 Progressive and Stationary Waves
- 3.3.1.1 Progressive waves
- 3.3.1.2 Longitudinal and transverse waves
- 3.3.1.3 Principle of superposition of waves and formation of stationary waves
3.3.2 Refraction, Diffraction and Interference
- 3.3.2.1 Interference
- 3.3.2.2 Diffraction
- 3.3.2.3 Refraction at a plane surface
Required Practicals
- Required practical 1: Investigation into the variation of the frequency of stationary waves on a string with length, tension and mass per unit length of the string.
- Required practical 2: Investigation of interference effects to include the Young’s slit experiment and interference by a diffraction grating.