Questions
A siren emitting a sound of frequency 800 Hz moves away from an observer towards a cliff at a speed of 15 . Then, the frequency of sound that the observer hears in the echo reflected from the cliff is (velocity of sound =330m/s)
detailed solution
Correct option is C
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Similar Questions
A person going away from a gate keeper on a scooter at a speed of 10 m/s blows a horn of frequency 600 Hz. If speed of sound is 340 m/s find the apparent frequency heard by the gatekeeper.
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