Physics GCSE
refraction
What refraction means in Physics GCSE, as defined for AQA, OCR.
Definitions of refraction
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Reference: OCR
The change in direction of electromagnetic waves when their velocity changes on entering a different substance.
A change of direction caused by a change of speed when a wave enters a different substance.
Topics that use refraction
- Properties of electromagnetic waves 1 (AQA GCSE)
- Wave interactions (OCR GCSE)
Related terms
- absorption
- amplitude
- bending towards the normal
- change of speed
- Colour of objects in white light and in coloured light
- explaining refraction
- longitudinal wave
- parallel emergent ray
Using refraction in the exam
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