Question

State the Doppler effect .its application

Answer 1

Doppler effect

definition

whenever there is a relative motion between a source and a listener , the frequency of the sound heard by the listener is different from the original frequency of sound emitted by the source.

this is known as Doppler effect.

Answer 2

Answer:

DOPPLER EFFECT

The Doppler effect (or the Doppler shift) is the change in frequency of a wave in relation to an observer who is moving relative to the wave source. ... Compared to the emitted frequency, the received frequency is higher during the approach, identical at the instant of passing by, and lower during the recession.

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