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4.3 Sound, ultrasound and infrasound

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Question 50
H

A sonar system calculates depth using a sound speed of 1500 m/s. It displays a depth of 90 m. The actual sound speed is 1440 m/s.

What is the actual depth below the transmitter?

[1]
A

86.4 m86.4\ \mathrm{m}86.4 m

B

93.8 m93.8\ \mathrm{m}93.8 m

C

172.8 m172.8\ \mathrm{m}172.8 m

D

187.5 m187.5\ \mathrm{m}187.5 m

Markscheme

4.3 Sound, ultrasound and infrasound Questions

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

112 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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