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Water rises to a height of 30 mm in a ca...

Water rises to a height of 30 mm in a capillary tube. If the radius of the capillary tube is made `3//4` of its previous value. The height to which the water will rise in the tube is

A

30 mm

B

20 mm

C

40 mm

D

10 mm

Text Solution

Verified by Experts

The correct Answer is:
C
`h_(1)r_(1)=h_(2)r_(2)rArrh_(2)=30xx4//3=40 mm`
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