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March 29, 2017

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a source of sound id traveling towards a stationary observer .The frequency of sound is heard by the observer is 25% more that the actual frequency.If the speed of sound is v,that of the source is
options:
1.v/4
2.v/5

  • physics - ,

    Heloo ashu...the answer is v/4 bcoz :-
    let the first frequency be v1 and the second be v2.it is give that v2 is 25% of v1 i.e.
    V2

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