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Water rises to a height h in a capillary...

Water rises to a height `h` in a capillary tube of cross-sectional area A. the height to which water will rise in a capillary tube of cross-sectional area `4A` will be

A

h

B

h/2

C

h/4

D

4h

Text Solution

Verified by Experts

The correct Answer is:
B
`h=(2Scostheta)/(rpg**)`
Cross-sectional area inceases 4 times, which means radius gets doubled. Therefore,
`h=(2S)/(2(rpg))=h/2`
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