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4.3 Sound, ultrasound and infrasound

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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 Questions

  1. GCSE
  2. /Physics
  3. /4.3 Sound, ultrasound and infrasound

35 exam-style questions on Edexcel GCSE Physics 4.3 Sound, ultrasound and infrasound, covering 4.3.1 Sound waves, vibrations and the human ear, 4.3.2 Ultrasound and infrasound, 4.3.3 Uses of ultrasound and infrasound, and 4.3.4 Sound waves passing between media. Each one has a worked solution and a mark scheme showing where the marks go.

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