Question

a source of sound is apporcing of observer with speed of 30m/s and observer is apporcing the source with a speed of 50m/s find the fractional in form of sound? v=330​

Answer 1

Answer:

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Answer 2

Answer:

Given, vs=30ms−1

v0=60ms−1

Apparent frequency v′=v[v+v0v−vs]

v′=v[330+60/330−30]

v′=v[390/330]

⇒v′=39/30v

∴ Fractional change in frequency

39/30v−v/v=9/30=3/10

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