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MHT CET Physics question

PhysicsWavesMHT CET

The difference between the apparent frequency of a source of sound as perceived by the observer during its approach and recession is 2% of the frequency of the source. If the speed of sound in air , then the velocity of the source is

Answer: (D)

Solution

\frac{v}{v-u}\frac{v}{v+u}\frac{2uf}{v}$=0.02f⇒

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Question ID VK-070120