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4.3 Sound, ultrasound and infrasound

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Question 26
F

A sound wave passes from material P into material Q. Its wavelength is 0.50 m in P and 1.5 m in Q. Its speed in P is 400 m/s.

Which gives the frequency and speed of the wave in Q?

[1]
A

800 Hz800\ \mathrm{Hz}800 Hz and 1200 m/s1200\ \mathrm{m/s}1200 m/s

B

800 Hz800\ \mathrm{Hz}800 Hz and 400 m/s400\ \mathrm{m/s}400 m/s

C

267 Hz267\ \mathrm{Hz}267 Hz and 400 m/s400\ \mathrm{m/s}400 m/s

D

2400 Hz2400\ \mathrm{Hz}2400 Hz and 1200 m/s1200\ \mathrm{m/s}1200 m/s

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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