An employee of a factory moving away from his workplace by a car listens to the siren of the factory. He drives the car at the speed of 72 kmh⁻¹ in the direction of wind which is blowing at 72 kmh⁻¹ speed. Frequency of siren is 720 Hz. The employee hears an apparent frequency of _ _ _ _ _ _ Hz. (Assume speed of sound to be 340 ms⁻¹)

Oscillations and Waves: JEE Main 2022 Physics question

JEE Main 2022 · 30 Jun, Morning shift · Q71

JEE Main 202230 Jun, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

An employee of a factory moving away from his workplace by a car listens to the siren of the factory. He drives the car at the speed of 72 kmh^

-

1 in the direction of wind which is blowing at 72 kmh^

-

1 speed. Frequency of siren is 720 Hz. The employee hears an apparent frequency of ____________ Hz. (Assume speed of sound to be 340 ms^

-

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Oscillations and Waves Question with Answer (30 Jun Morning shift, Q71) | JEE Arc