Physics GCSE
20 kHz
What 20 kHz means in Physics GCSE, as defined for AQA.
Definition of 20 kHz
Check what you remember
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Reference: AQA
20 000 Hz, and the highest frequency a person with normal hearing can detect.
Topics that use 20 kHz
- Sound waves (physics only) (HT only) (AQA GCSE)
Related terms
- diaphragms and drums
- ear drum
- ossicles
- sound to vibration
- 20 Hz to 20 kHz
- audibility graphs
- definition of ultrasound
- efficiency of conversion
Using 20 kHz in the exam
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