The pipe of a pop gun of length 15 cm is...

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`

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The correct Answer is:

1450 Hz

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