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A long capillary tube of radius 1 mm, op...

A long capillary tube of radius 1 mm, open at both ends is filled with water and placed vertically. What will be the height of water column left in the capillary ? (Surface tension of water is `73.5xx10^(-3)Nm^(-1))`

A

0.3cm

B

3cm

C

6cm

D

0.03 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`pir^(2)hdg =2xx2pi rT cos theta rArr h=(4T)/(rdg)`
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