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JEE Main Physics Class 11 Waves Part 1 Questions

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Question : 23

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A sound source S is moving along a straight track with speed v, and is emitting sound of frequency v0 (see figure). An observer is standing at a finite distance, at the point O, from the track. The time variation of frequency heard by the observer is best represented by: (t0 represents the instant when the distance between the source and observer is minimum)

[Sep. 06, 2020 (I)]

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