A sonometer wire of length 79 cm emits a note of frequency 234 Hz. The length
Channel: Doubtnut
Date: 2020-05-24

A sonometer wire of length 79 cm emits a note of frequency 234 Hz. The length of the wire is then reduced by 1 cm and is allowed to vibrate. How many beats will be produced per sec with a tuning fork of frequency 240 Hz ?