If a source emitting waves of frequency f moves towards an observer with a velocity 4 v and the observer moves away from the source with a velocity v /6 , the apparent frequency as heard by the obse

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If a source emitting waves of frequency f moves towards an observer with a velocity 4 v ​ and the observer moves away from the source with a velocity v /6 , the apparent frequency as heard by the observer will be ( v = velocity of sound)

TestHub · Accepted Answer

When source and observer both are moving in the same direction and observer is ahead of source, then apparent frequency f ′ = v − v s ​ v − v o ​ ​ f = v − 4 v ​ v − 6 v ​ ​ = 4 3 v ​ 6 5 v ​ ​ f = 9 10 ​ f

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