GCSE Physics - Refraction of waves #63

In this video we cover the following:
- What 'refraction' means
- When refraction occurs
- How to draw ray diagrams for the refraction of light
- The idea that during refraction, the wavelength of a wave stays constant, and it is the wave speed that changes

Exam board specific info:
AQA - Relevant to all courses!
IGCSE Edexcel - Relevant to all courses!
Edexcel - Separate science only. Both foundation and higher tier
OCR 21st Century - Complicated mix
OCR Gateway - Separate science only. Both foundation and higher tierr

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