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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Oscillations
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A sound source of frequency 400 Hz is moving towards an observer with a velocity of 50 m/s while the observer is moving away from the source with a velocity of 40 m/s . Find the frequency heard by the observer . (Velocity of sound is 340 m/s )


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Answer : $\;391.6\;Hz$
Explanation :
By Doppler's effect
$v-v_{0}\;$ as observer is moving away
answered Mar 9, 2014 by yamini.v
edited Mar 13, 2014 by yamini.v

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