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4.3 Sound, ultrasound and infrasound

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Question 44
H

A wave has a speed of 4500 m/s and a wavelength of 300 m in rock. It is transmitted into another material where its speed is 1500 m/s.

Which classifies the wave and gives its wavelength in the second material?

[1]
A

infrasound, 100 m100\ \mathrm{m}100 m

B

infrasound, 900 m900\ \mathrm{m}900 m

C

audible sound, 100 m100\ \mathrm{m}100 m

D

audible sound, 900 m900\ \mathrm{m}900 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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