Question

a closed organ pipe 70cm long is sounded. if the velocity of sound is 331m/s, what is the fundamental frequency of vibration of the air coloumn

Answer 1

Explanation:

`l = 70 cm=70 xx 10^(-2) m, v= 331 m //s ,v= ?`

`v= ( v)/( 4l) =( 331)/( 4 xx 70 xx 10^(-2)) = 118.2 Hz`

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