What is Doppler's effects ? what is its principle?
Asked by rahmani | 28th Nov, 2010, 12:00: AM
When the source, the medium and the observer are in relative motion, the frequency of sound as received by the observer is different from the frequency of sound emitted by the source. It is known as Doppler's effect.
We hope this clarifies your doubt.
Answered by | 29th Nov, 2010, 11:00: AM
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