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If I1 , I2 and I3 are wave lengths of th...

If `I_1 , I_2` and `I_3` are wave lengths of the waves giving resonance with fundamental, first and second over tones of closed organ pipe. The ratio of wavelengths `I_1: I_2 : I_3 ` is ......

A

`1:2:3`

B

`1: 1/3 : 1/5`

C

`1:3:5`

D

`5 : 3 : 1`

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The correct Answer is:
A
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