Question

The source producing sound and an observer both are
moving along the direction of propagation of sound waves.
If the respective velocities of sound, source and an observer
are v, v, and ve, then the apparent frequency heard by the
observer will be (n = frequency of sound)
(a) n(v+vo)/v-vs
(b) n(v-vo)/v-vs
(c) n(v-vo)/v+vs
(d) n(v+vo)/v+vs​

Answer 1

Explanation:

answer B is correct

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