1.

If v is the speed of sound in air then the shortest length of the closed pipe which resonates to a frequency n [KCET 2003]

A.            \[\frac{v}{4n}\]                   
B.            \[\frac{v}{2n}\]
C.            \[\frac{2n}{v}\]                   
D.            \[\frac{4n}{v}\]
Answer» B.            \[\frac{v}{2n}\]


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