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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 4

A student measured the frequency of ripples on a pond by counting how many wave crests passed a fixed marker in 30 seconds.

Explain why this manual counting method would not be suitable for measuring the frequency of an ultrasound wave used in a medical scan.

[2]
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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