Physics GCSE
ear drum
What ear drum means in Physics GCSE, as defined for AQA.
Definitions of ear drum
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Reference: AQA
Part of the ear that pressure variations in air push on, so that it vibrates and the ossicles pass the vibration to the cochlea.
A thin stretched membrane that is pushed in and out at the frequency of the wave by the rising and falling air pressure.
Topics that use ear drum
- Sound waves (physics only) (HT only) (AQA GCSE)
Related terms
- diaphragms and drums
- ossicles
- sound to vibration
- 20 Hz to 20 kHz
- 20 kHz
- audibility graphs
- definition of ultrasound
- efficiency of conversion
Using ear drum in the exam
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