MHT CET 2022 Physics question
Water rises up to a height '' in a capillary tube immersed vertically in water. When this whole arrangement is taken to a depth 'd' in a mine, the water level rises upto a height ''. If 'R' is the radius of the earth, then the ratio / is
Answer: (B)
Solution
Capillary rise is , so for the same tube and liquid, . At the surface . At depth inside the earth, . Hence $ =
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