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4.3 Sound, ultrasound and infrasound

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Question 43
F

A sound wave passes from a liquid into a gas. The speed of the sound in the gas is one quarter of its speed in the liquid.

Which gives the frequency and wavelength in the gas compared with those in the liquid?

[1]
A

frequency one quarter; wavelength unchanged

B

frequency unchanged; wavelength four times

C

frequency four times; wavelength one quarter

D

frequency unchanged; wavelength one quarter

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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