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Question 46

A spectator sits in the stadium stands, 170 m away from a referee. The spectator observes that they see the referee blow their whistle before they hear the sound.

What is the reason for this delay?

A

Light travels much faster than sound.

B

Sound waves travel faster as they cover more distance.

C

Human visual processing is always faster than auditory processing.

D

Sound waves are absorbed by the air, slowing them down before they reach the spectator.

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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