First slide

Surface tension

Question

On putting a capillary tube in a pot filled with water, the level of water rises upto a height of 4 cm in the tube. If a tube of half the diameter is used, the water will rise to the height of nearly:

Easy

A

2 cm
B

5 cm
C

8 cm
D

11 cm

Solution

$h_{1} r_{1} = h_{2} r_{2}$

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