A listener moving with uniform velocity towards a stationary

Last updated: 6/13/2023

A listener moving with uniform velocity towards a stationary sound source hears beep of sound of frequency 165Hz over a distance of 100m The actual frequenc emitted by the source is 155 Hz and the speed of sound is 330 m s Duration of beep emitted by source is A 4s B 5s C 6s D 7s