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Suppose that the speed of sound in air ...

Suppose that the speed of sound in air at a given temperature is 400 m / sec . An engine blows a whistle at 1200 H z frequency. It is approaching an observer at the speed of 100 m / sec . What is the apparent frequency as heard by the observer

A

600 Hz

B

1200 Hz

C

1500 Hz

D

1600 Hz

Text Solution

Verified by Experts

The correct Answer is:
D
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