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Sonar and Radar

An observer w...

Question

An observer while going on scooter hears sound of two sirens of same frequencies from two opposite directions. If he travels along the direction of one of the siren, then he

A

Listens resonance

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B

Listens beats

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C

Will not listen sound due to destructive interference

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D

Will listen intensive sound due to constructive interference

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Solution

The correct option is B
Listens beats

(b)

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