MHT CET Physics question

PhysicsWavesMHT CET

A source emitting sound of frequency is moving in a circle of radius R, having centre at the origin, with a uniform speed where c is the speed of sound. Find the maximum and minimum frequencies heard by stationary listener at the point

Answer: (A)

Solution

The component of the source velocity along the line to the listener is , whose maximum (at ) is ;

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Question ID VK-070222