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Question 190

A musician plays a sustained note on a keyboard. A listener notices that, while the pitch of the note remains completely unchanged, its volume (loudness) fluctuates up and down.

Which option correctly describes the amplitude and the frequency of this sound wave?

A

amplitude: constant; frequency: constant

B

amplitude: constant; frequency: varying

C

amplitude: varying; frequency: constant

D

amplitude: varying; frequency: varying

Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.

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