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Question 107

A spectator at an athletics event is standing 150 m away from the starter on the running track. The spectator sees the flash from the starting pistol the instant it is fired. The speed of sound in air is 330 m/s.

What is the time delay between the spectator seeing the flash and hearing the sound of the pistol?

A

0.45 s0.45\text{ s}0.45 s

B

0.90 s0.90\text{ s}0.90 s

C

2.2 s2.2\text{ s}2.2 s

D

4.5 s4.5\text{ s}4.5 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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