A long glass tube is held vertically in water . A tuning fork is struck and held over the tube .
Channel: Doubtnut
Date: 26/07/2020

A long glass tube is held vertically in water . A tuning fork is struck and held over the tube . Strong resonances are observed at two successive lengths `0.50 m and 0.84 m` above the surface of water . If the velocity of sound is `340 m//s`, then the frequency of the tuning fork is