Two sirens situated one kilometer apart are producing sound of frequency 330 Hz. An observer starts
Channel: Doubtnut
Date: 2020-01-19

Two sirens situated one kilometer apart are producing sound of frequency 330 Hz. An observer starts moving from one siren to the other with a speed of `2m//s`. If the speed of sound be `330 m//s`, what will be the beat frequency heard by the observer?