The pipe of a pop gun of length 15 cm is closed by a cork at one end a piston at the other end. When
Channel: Doubtnut
Date: 2021-11-11

The pipe of a pop gun of length 15 cm is closed by a cork at one end a piston at the other end. When the pisotr is moved slowly and the pressure increase to 2.5 atm, the cork moves out with a pop sound. Calculate the frequency of the pop sound. The velocity of sound in air `= 384 m//s`