Properties of matterEasy
Question
A capillary tube of radius r can support a liquid of weight 6.28 × 10-4 N. If the surface tension of the liquid is 5 × 10-2 N/m. The radius of capillary must be
Options
A.2 × 10-3 m
B.2 × 10-4 m
C.1.5 × 10-3
D.12.5 × 10-4 m
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