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Doplers effect |
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Answer» The apparent change in frequency when the observer, the medium and the source are in relative motion is known as Doppler effect The phenomenon of variation of sound wave due to relative motion between the sound and the listener is called as dopler\'s effect. According to dopler whenever there is a relative motion between source and lishner then the apprent frequency heard by the lishner is always different from the original frequency emmited by the source |
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