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4.3 Sound, ultrasound and infrasound

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Question 42
H

A detector records 90 complete vibrations of sound P in 5.0 s. It records 1500 complete vibrations of sound Q in 0.050 s.

Which classifies the two sounds?

[1]
A

P is audible sound; Q is ultrasound.

B

P is infrasound; Q is ultrasound.

C

P is infrasound; Q is audible sound.

D

P is ultrasound; Q is infrasound.

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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