A piston fitted in cylindrical pipe, is pulled as shown in the figure. A tuning fork is sounded
Channel: Doubtnut
Date: 2020-05-17

A piston fitted in cylindrical pipe, is pulled as shown in the figure. A tuning fork is sounded at open end and loudest sound is heard at open lengths 13 cm, 41 cm and 69 cm,  the frequency of tuning fork if velocity of