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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 7

An infrasound wave generated by an ocean storm travels through the air at a speed of 330 m/s.

The same wave propagates through seawater at a speed of 1485 m/s.

Calculate the ratio of the speed of the infrasound wave in air to its speed in seawater. Give your answer in its simplest whole-number ratio form.

[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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