Question

what is dopplers effect..*

Answer 1

Answer:

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The Doppler effect, or Doppler shift, describes the changes in frequency of any kind of sound or light wave produced by a moving source with respect to an observer. Waves emitted by an object traveling toward an observer get compressed — prompting a higher frequency — as the source approaches the observer.

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Answer 2

Answer:

Doppler effect refers to the change the wave frequency during the relative motion between a wave source and is observer.