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A source of frequency 50Hz is moving towards an observer with a deceleration of 2m/s2. If its initial speed is 20m/s, what will be the maximum frequency heard by the observer? Initial distance between source and observer is 100m. 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 source of frequency 50Hz is moving towards an observer with a deceleration of 2m/s<sup>2</sup>. If its initial speed is 20m/s, what will be the maximum frequency heard by the observer? Initial distance between source and observer is 100m. Speed of sound = 330m/s.





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