A sound source emitting sound of frequency 450 Hz is

Last updated: 6/25/2023

A sound source emitting sound of frequency 450 Hz is approaching a stationary observer with velocity 30 m s and another identical source is going away from the observer with the same velocity If the velocity of sound is 330 m s 1 then the difference of frequencies heard by observer is A B D 103 5 Hz 82 5 Hz 33 5 Hz 92 5 Hz