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4.3 Sound, ultrasound and infrasound (physics only)

4.3 Sound, ultrasound and infrasound (physics only)

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Question 1

Which of the following frequencies is classified as ultrasound?

A

18 Hz18\text{ Hz}18 Hz

B

1.8 kHz1.8\text{ kHz}1.8 kHz

C

18 kHz18\text{ kHz}18 kHz

D

28 kHz28\text{ kHz}28 kHz

Markscheme

4.3 Sound, ultrasound and infrasound (physics only) Questions

  1. GCSE
  2. /Physics
  3. /4.3 Sound, ultrasound and infrasound (physics only)

35 exam-style questions on Edexcel GCSE Physics 4.3 Sound, ultrasound and infrasound (physics only). Each one has a worked solution and a mark scheme showing where the marks go.

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