Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A source emitting sound wave of frequency f is moving towards O with velocity `V_s=etav`where v is velocity of sound with respect to air. A detector D is at rest as shown in figure. Assume there is no wind the apparent frequency of sound wave for the detector, when source reaches O is.`(1>eta>0)` - Sarthaks eConnect

A source emitting sound wave of frequency f is moving towards O with velocity `V_s=etav` where v is velocity of sound with respect to air. A detector D is at rest as shown in figure. Assume there is no wind the apparent frequency of sound wave for the detector, when source reaches O is.`(1>eta>0)`

A source emitting sound wave of frequency f is moving towards O with velocity `V_s=etav` where v is velocity of sound with respect to air. A detector D is at rest as shown in figure. Assume there is no wind the apparent frequency of sound wave for the detector, when source reaches O is.`(1>eta>0)`

A.

`f/(1-eta^2)`

B.

`f/(1+eta^2)`

C.

`f(1-eta)/(1+eta)`

D.

`(feta)/(1+eta)`

Solution

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Best answer

Consider wave was emitted from sources at A which reaches detector D when source reaches O.