Properties of matterEasy
Question
Water rise in a capillary upto an extension height such that upward force of surface tension balances the force of 75 × 10-4 N. due to weight of water. If surface tension of water is 6 × 10-2 N/m. The internal circumference of the capillary must be
Options
A.12.5 × 10-2 m
B.6.5 × 10-2 m
C.0.5 × 10-2 m
D.1.25 × 10-2 m
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