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Institute of Physics (IOP)
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Episode 319: Preparation for Superposition of Waves Topic
This series of learning episodes, from the Institute of Physics, looks at how waves add together by superposition. It follows a 'conceptual approach' by looking at superposition itself, followed by interference fringes and then diffraction.
The episodes in this topic are:
Episode 320: Superposition
Episode 321: Interference patterns
Episode 322: Diffraction gratings
Episode 323: Diffraction
Episode 324: Stationary or standing waves
Completion of this topic offers opportunities for students to:
1. use the principle of superposition of waves to determine the resultant displacement of two or more waves
2. understand how diffraction and interference effects result from superposition
3. use the equations for single, double and multiple slit diffraction
4. use double and multiple slit diffraction to determine wavelength
5. explain how standing waves arise from travelling waves
6. use standing waves to determine wavelength and wave speed.
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