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A capillary tube of radius 0.25 mm is di...

A capillary tube of radius 0.25 mm is dipped vertically in a liquid of density `800kgm^(-3)` and of surface tension `3xx10^(-2)Nm^(-2)`. The angle of contact of liquid -glass is given by `costheta=0.3` If `g=10ms^(-2)` the rise of liquid in the capillary tube is.. Cm

A

9

B

0.9

C

`9xx10^(-3)`

D

0.09

Text Solution

Verified by Experts

The correct Answer is:
B
`T=(rhdg)/(2cos theta)`
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