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Question 37

A sound wave is travelling through the air from a vibrating tuning fork. Here are three statements about the sound wave:

  1. The density of the air is greater at a compression compared with undisturbed air.
  2. The displacement of the air particles from their equilibrium positions is maximum at the center of a compression.
  3. The distance between consecutive compressions is equal to one wavelength.

Which statements are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

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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