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Eduncle posted an MCQ
October 18, 2019 • 20:38 pm 0 points
  • IIT JAM
  • Physics (PH)

A train passes through a station with a constant speed. A stationary observer at the station

A train passes through a station with a constant speed. A stationary observer at the station platform measures the tone of the train whistle as 484 Hz when it approaches the station and 442 Hz when it leaves the station. If the sound velocity in air is 330 m/s, then the tone of the whistle and the speed of the train are

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