A plice siren emits a sound wave of frequency 440 Hz. The speed of sound is 332 m/s. if the
Channel: Doubtnut
Date: 2020-03-29

A plice siren emits a sound wave of frequency 440 Hz. The speed of sound is 332 m/s. if the siren is moving away from the listerner with a speed of 18 m/s relative to the air and the listerner is moving towards the siren with a speed of 68 m/s relative to the air, then what frequency does the listern hear?