Frequency of a car horn encountered|SOUND WAVE|JEEMain-2021

JEE MAIN 2021

20-07-2021 - S1

Question

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.

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Question Tags

JEE Main

Physics

Easy

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