maddiedavid maddiedavid
  • 06-04-2020
  • Biology
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What is the observed change in the frequency of light or sound as the wave or observer moves?

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shhhhhhada22 shhhhhhada22
  • 06-04-2020
The Doppler effect describes the change in the observed frequency of a wave when there is relative motion between the wave source and the observer.
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