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4.3 Sound, ultrasound and infrasound

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Question 25
F

A sound wave travels at 360 m/s in air and has a wavelength of 0.80 m. It enters a liquid where its speed is 1440 m/s.

Which gives its frequency and wavelength in the liquid?

[1]
A

1800 Hz1800\ \mathrm{Hz}1800 Hz and 0.80 m0.80\ \mathrm{m}0.80 m

B

450 Hz450\ \mathrm{Hz}450 Hz and 0.20 m0.20\ \mathrm{m}0.20 m

C

450 Hz450\ \mathrm{Hz}450 Hz and 3.2 m3.2\ \mathrm{m}3.2 m

D

1800 Hz1800\ \mathrm{Hz}1800 Hz and 3.2 m3.2\ \mathrm{m}3.2 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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