A string of length `'l'` is fixed at both ends. It is vibrating in its `3^(rd)` overtone with
Channel: Doubtnut
Date: 19/04/2020

A string of length `'l'` is fixed at both ends. It is vibrating in its `3^(rd)` overtone with maximum ampltiude  `'a'`. The amplitude at a distance `(l)/(3)` from one end is `= sqrt(p)(a)/(2)`. Find `p`.