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Water rises in a capillary tube to a cer...

Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by `75 xx 10^-4 N`, forces due to the weight of the liquid. If the surface tension of water is `6 xx 10^-2 N//m`, the inner-circumference of the capillary must be

A

`12.5 xx 10^-2m`

B

`11.5 xx 10^-2 m`

C

`13.5 xx 10^-2 m`

D

`14.5 xx 10^-2 m`

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