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Question 15

A loudspeaker cone is connected to a signal generator and is seen to be vibrating back and forth. However, a person sitting nearby cannot hear any sound. Which statement could explain why no sound is heard?

A

The amplitude of the vibration is too large.

B

The frequency of the vibration is below 20 Hz20\text{ Hz}20 Hz.

C

The sound waves produced in air are transverse.

D

The speed of the sound waves is too high.

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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