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Organ pipes of lengths l1,l2,l3 emit not...

Organ pipes of lengths `l_1,l_2,l_3` emit notes of frequency `n_1,n_2,n_3`.If `l_1,l_2,l_3` are in A.P. then n_2 is

A

`(2n_1n_3)/(n_1+n_3)`

B

`(n_1+n_3)/2`

C

`sqrt(n_1n_3)`

D

`sqrt((n_1^2n_3^3)/2)`

Text Solution

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The correct Answer is:
A
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