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A train with a frequency ‘f’. What will be the frequency heard by a person sitting in the train? Speed of the train is ‘v’.

A train with a frequency ‘f’. What will be the frequency heard by a person sitting in the train? Speed of the train is ‘v’. Correct Answer f

There is no relative motion between the source and observer, thus the frequency heard by the person will be the original frequency of the whistle.

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