Physics GCSE
amplitude
What amplitude means in Physics GCSE, as defined for AQA, OCR.
Definitions of amplitude
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Reference: AQA
The maximum displacement of a point from its undisturbed position, measured in metres.
Measured from the undisturbed level to a crest, not from a crest down to a trough.
The maximum displacement of a point on a wave away from its undisturbed position.
The maximum displacement of a point from its rest position, measured in metres.
Topics that use amplitude
- Properties of electromagnetic waves 1 (AQA GCSE)
- Properties of waves (AQA GCSE)
- Transverse and longitudinal waves (AQA GCSE)
- Wave behaviour (OCR GCSE)
Related terms
- longitudinal wave
- period
- transverse wave
- wavelength
- compressions and rarefactions
- Frequency
- hertz
- longitudinal waves
Using amplitude in the exam
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