When a car is approaching the observer, the frequency of horn is 100 ~Hz. After passing the observer, it is 50 ~Hz. If the observer moves with the car, the frequency will be x/3 ~Hz where x= _ _ _ _ _ _ _ _.

Oscillations and Waves: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jul, Morning shift · Q72

JEE Main 202226 Jul, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

When a car is approaching the observer, the frequency of horn is

100 \mathrm{~Hz}

. After passing the observer, it is

50 \mathrm{~Hz}

. If the observer moves with the car, the frequency will be

\frac{x}{3} \mathrm{~Hz}

where

x=

________________.

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JEE Main 2022 Oscillations and Waves Question with Answer (26 Jul Morning shift, Q72) | JEE Arc