A stretched wire of length 30 cm emits a note of freqency 200 Hz, when plucked
Channel: Doubtnut
Date: 2020-05-24

A stretched wire of length 30 cm emits a note of freqency 200 Hz, when plucked at its centre, By  keeping its tension constant, the length of the wire is decreases by 5 cm. then it will a  sound note of frequency ?