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Two closed pipes have the same fundament...

Two closed pipes have the same fundamental frequency. One is filled with oxygen and the other with hydrogen at the same temperature. Ratio of their lengths respectively is

A

`1:4`

B

`4:1`

C

`1:2`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`V_(o xy)/(4l_( o xy))=V_(H)/(4l_(H))`
`therefore l_(o xy)/l_(H) = V_(o xy)/V_(H)`
`sqrt(M_(H)/M_(o))=sqrt(2/32)=1/4`
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