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A source of sound is travelling with a velocity 40 km/hour towards observer and emits sound of frequency 2000 Hz. If velocity of sound is 1220 km/hour, then what is the apparent frequency heard by an observer
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a
2210 Hz
b
1920 Hz
c
2068 Hz
d
2086 Hz
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Correct option is C
n'=n vv−vS=2000×1220(1220−40)=2068HzSimilar Questions
An observer is moving towards the stationary source of sound, then
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