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Due to capillary action, a liquid will r...

Due to capillary action, a liquid will rise in a tube, if the angle of contact is

A

acute obtuse

B

obtuse

C

`90^(@)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
`h=(2T cos theta)/(r d g)`. It `theta` is less than `90^(@)`, then h will be positive.
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