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Question 216

A sound wave travels through air as a series of compressions and rarefactions. Which row correctly compares the density of air molecules in a compression and the density of air molecules in a rarefaction to the ambient density of the air where there is no sound wave?

A

Density in compression: higher; Density in rarefaction: higher

B

Density in compression: higher; Density in rarefaction: lower

C

Density in compression: lower; Density in rarefaction: higher

D

Density in compression: lower; Density in rarefaction: lower

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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