Radius of a capillary is 2 × 10 –3 m. A liquid of weight 6.28 × 10 –4 N may remain in the tube if surface tension of the liquid will be:
Text Solution
Verified by ExpertsThe correct answer is:
B
2пrT = W
2 × 3.14 × 2 × 10 –3 T = 6.28 × 10 –4
T = 5 × 10 -2 N/m
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