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Question 76

Sound waves travel through a medium as longitudinal waves consisting of compressions and rarefactions.

Which statement correctly compares a compression with a rarefaction?

A

In a compression, the local pressure of the medium is higher than in a rarefaction.

B

In a compression, the local density of the medium is lower than in a rarefaction.

C

A compression has a higher frequency than a rarefaction.

D

A compression travels through the medium at a higher speed than a rarefaction.

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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