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Question 118

A hiker shouts once when standing 120 m away from a steep vertical cliff.

The speed of sound in air is 340 m s-1.

How long after shouting does the hiker hear the echo?

A

0.35 s0.35\text{ s}0.35 s

B

0.71 s0.71\text{ s}0.71 s

C

1.4 s1.4\text{ s}1.4 s

D

2.8 s2.8\text{ s}2.8 s

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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