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Water rises to a height of 16.3 cm in a ...

Water rises to a height of 16.3 cm in a capillary of height 18 cm above the water leve. If the tube is cut at a height of 12 cm -

A

Water will come as a fountain from the capillary tube

B

Water will stay at a height of 12 cm in the capillary tube

C

The height of the water in the capillary will be10.3 cm

D

Water will flow down the sides of the capillary tube

Text Solution

Verified by Experts

The correct Answer is:
B
`h=(2sigmacostheta)/(Rrhog)Rightarrow(costheta_1)/(costheta_2)=(h_1)/(h_2)=(16.3)/(12)=1.36Rightarrowtheta_(2)gttheta_(1)Rightarrowtheta` will increase to maintain h = 12 cm
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