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Question 155

A musician plays a note on a synthesizer. An observer notices that, although the pitch of the note remains constant, the loudness of the sound varies. Which option correctly describes the amplitude and the frequency of the sound wave?

A

Amplitude is constant, frequency is constant

B

Amplitude is constant, frequency is varying

C

Amplitude is varying, frequency is constant

D

Amplitude is varying, frequency is 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.

Question bank