MHT CET 2024 Physics question
The angle of contact between glass and water is 0 and water rises in a glass capillary upto 6 cm. (Surface tension of water is T). Another liquid of surface tension '2T', angle of contact 60 and relative density 2 will rise in the same capillary up to ()
Answer: (C)
Solution
Capillary rise is . For water ( = density of water): . For the second liquid: surface tension , and density (relative density 2), so $ = {2(2T)
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