Concepts Of Physics MCQ Edition [Volume 1]PhysicsSound Waves

The shift in frequency caused by the Doppler effect is independent of

Options

Athe speed of the source
Bthe speed of the observer
Cthe separation between the source and the observer
Dthe frequency of the source

Correct answer

C. the separation between the source and the observer

Step-by-step solution

The apparent frequency f' due to the Doppler effect is given by f' = f ( v v_o v v_s ) , where f is the original frequency, v is the speed of sound, v_o is the speed of the observer, and v_s is the speed of the source. The shift in frequency is f = f' - f . From the formula, it is clear that the shift in frequency depends on the speed of the source, the speed of the observer, and the original frequency of the source. It does not depend on the separation distance between the source and the observer.

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