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Question 24

A student stands in a wide valley facing a tall, vertical cliff. She shouts loudly and, a moment later, hears an echo of her shout.

Which physical process causes the sound waves to produce an echo when they strike the cliff?

A

The sound waves are refracted.

B

The sound waves are diffracted.

C

The sound waves are absorbed.

D

The sound waves are reflected.

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