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Two trains are moving towards each other at speeds of 144 km/hr and 54 km/hr relative to the ground. The first train sounds a whistle of frequency 600 Hz. Find the frequency of the whistle as heard by a passenger in the second train before the trains meet. (v=340m/s)

A

610 Hz

B

510 Hz

C

710 Hz

D

170 Hz

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The correct Answer is:
C
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AAKASH SERIES-WAVES-EXERCISE-II (Doppler Effect : )
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