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4 Waves

4 Waves

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Question 3

Which of the following frequencies is classified as ultrasound?

A

$Hz18\text{ Hz}$

B

$kHz1.8\text{ kHz}$

C

$kHz18\text{ kHz}$

D

$kHz28\text{ kHz}$

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4 Waves Questions

GCSE
Physics
4 Waves

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