Question 66 of 82 in Units (Waves)

The Doppler effect

1 mark · Easy

State the name given to the apparent change in frequency of a wave caused when either the source or an observer moves relative to the other.

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The Doppler effect

Also accept: Doppler Effect; doppler effect; the Doppler effect

Common mistakes: frequency effect; compression effect

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Marking points

B1 · 1 mark · Correctly names Doppler effect.

Worked solution

The answer is 'the Doppler effect.'

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