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When water rises in a capillary tube of ...

When water rises in a capillary tube of radius `r` to height h, then its potential energy `U_(1)` if capillary tube of radius 2r is dipped in same water then potential energy of water is `U_(2)` then `U_(1):U_(2)` will be

A

`1:1`

B

`1:2`

C

`2:1`

D

`1:4`

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Gravitational P.E. of the liquid in the tube is independent of radius of the tube.
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