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JEE Mains 11-Apr-2023 Shift 2 Solved Paper

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Question : 36

Total: 90

A car P travelling at 20ms−1 sounds its horn at a frequency of 400‌Hz. Another car Q is travelling behind the first car in the same direction with a velocity 40ms−1. The frequency heard by the passenger of the car Q is approximately [Take, velocity of sound =360ms−1 ]

[11-Apr-2023 shift 2]

471‌Hz
514‌Hz
421‌Hz
485‌Hz

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