Water rises to height 1.2 cm in capillary tube on the surface of earth. How the height of water column will be affected when the apparatus is taken to the moon?
The height to which the liquid rises into the capillary tube is inversely proportional to the acceleration due to gravity. On the surface of the moon, acceleration due to gravity is 1/6th as that on the surface of the earth. Therefore, water will rise to a height 6 times than on the surface of the earth.
So, height of water on the surface of the moon = 7.2 cm
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