JEE Main 20 July 2021 Shift 1 Solved Paper
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Question : 29 of 90
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The frequency of a car horn encountered a change from 400 Hz to 500 Hz. When the car approaches a vertical wall. If the speed of sound is 330 m/s.
Then the speed of car is ______ km/h.
Then the speed of car is ______ km/h.
[20 Jul 2021 Shift 1]
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