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The vibrations of four air columns are r...

The vibrations of four air columns are represented in the adjoining figures. The ratio of frequencies `n_(p) : n_(q) : n_(r) : n_(s)` is

A

`12:6:3:4`

B

`1:2:4:3`

C

`4:2:3:1`

D

`6:2:3:4`

Text Solution

Verified by Experts

The correct Answer is:
B
`(n_P)/(n_Q) = 1/2 " " n_r/r_e= 4/3`
`therefore n_p : n_q : n_r :n_s = 1:2:4:3`
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