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The end of a capillary tube with a radiu...

The end of a capillary tube with a radius `r` is immerseed into water. What ammount of heat will be evolved when the water rises in the tube ? If surface tension of water `'T'` density of water `= rho`. Given `(T^(2))/(rhog) = (2)/(pi)`.

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The correct Answer is:
`4`
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