A sound source is moving towards a stationary listener with 1/10th of the speed

A Sound Source Is Moving Towards A Stationary Listener With Physics Question

A sound source is moving towards a stationary listener with 1/10th of the speed of sound. The ratio of apparent to real frequency is

Options

(a) (10/9)
(b) (10/9)²
(c) (11/10)²
(d) (11/10)

Correct Answer:

(10/9)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Waves (80)
Subject: Physics (2479)

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1 Comment on A sound source is moving towards a stationary listener with 1/10th of the speed

  1. let the origional frequency is F.Now we know that when source moving toward listener then according to doppler effect the frequency of sound waves will be
    f”=vF/v-b
    f”=340F/340-34
    as source is moving with 1/10 of speed of sound so we put 340/19=34,as speed of sound in air 340 m/s
    so f”=340/306=10F/9 ratio will be f”/f=10/9

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