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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 5

Explain how high-frequency sound waves (sonar) can be used by a submarine to determine its vertical height above the seabed.

In your answer, you should describe:

  • how the sound waves travel and interact with the environment
  • what measurements must be recorded
  • how these measurements are used to calculate the distance.
[6]
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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