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A liquid rises in a capillary tube of r...

A liquid rises in a capillary tube of radius r upto height h and tha mass of liquid is 20 gm . If a the radius of capillary tube is half and height is twice , then the new mass of a liquid will be ,

A

10 gm

B

80 gm

C

20 gm

D

40 gm

Text Solution

Verified by Experts

The correct Answer is:
A
`2pir_(1) = m_(1)g and 2pir_(2)= m_(2)g`
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