. What is the ratio of surface tension of water and mercury is

If Water rises to a height of 10cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6g/cc and the angle of contact of mercury and water are 135° and 0° respectively

A. 1 : 0.15

B. 1 : 3

C. 1 : 6.5

D. 1.5 : 1

Best Answer

Ans: C


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