Physics GCSE
change of speed
What change of speed means in Physics GCSE, as defined for AQA.
Definitions of change of speed
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Reference: AQA
What happens when a wave enters a different substance, and the cause of the change of direction.
A wave changes speed when the material changes, which refracts it and alters the travel time.
Topics that use change of speed
- Properties of electromagnetic waves 1 (AQA GCSE)
- Waves for detection and exploration (physics only) (HT only) (AQA GCSE)
Related terms
- absorption contrast
- amplitude
- bending towards the normal
- compressions and rarefactions
- detection and exploration
- echo pulses
- echo timing
- explaining refraction
Using change of speed in the exam
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