Joshlm9113 Joshlm9113

05-04-2024
Physics

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Two trains, each moving with a velocity of 30m/s, cross each other. One of the trains gives a whistle whose frequency is 600Hz. If the speed of sound is 330m/s, the apparent frequency for passengers sitting in the other train before crossing would be __________
(a) 600Hz
(b) 630Hz
(c) 930Hz
(d) 720Hz

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