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A passenger is standing on a platform. A train is arriving with speed =100m/s. It whistles at point B while the passenger is at point A. What is the frequency heard by the passenger if the whistle frequency is 100Hz? Speed of sound = 330m/s.

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MCQs on transverse and longitudinal waves, progressive wave displacement relation, travelling wave speed, waves superposition principles, waves reflection, beats and doppler effects.


A passenger is standing on a platform. A train is arriving with speed =100m/s. It whistles at point B while the passenger is at point A. What is the frequency heard by the passenger if the whistle frequency is 100Hz? Speed of sound = 330m/s.<br><img src='https://www.fatskills.com/wp-content/uploads/2020/10/physics-questions-answers-waves-doppler-effect-q4.png' width='168' height='116' class='296189' /><






 
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