Question
Question: A train whistling at constant frequency is moving towards a station at a constant speed v. the train...
A train whistling at constant frequency is moving towards a station at a constant speed v. the train goes past a stationary observer on the station. The frequency n of the sound as heard by the observer is plotted at a function of time t. identify the expected curve.
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Answer
Explanation
Solution
The frequency of whistling train decreases as it goes past the stationary observer.