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A capillary tube of radius R is immersed in water and water rises in it to a height H . Mass of water in the capillary tube is . M If the radius of the tube is doubled, mass of water that will rise in the capillary tube will now beA. `M`B. `2M`C. `M//2`D. `4M` |
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Answer» Correct Answer - B Mass of the liquid in capillary tube `M = Vrho = (pir^(2)h)rho " "{:(therefore M prop r^(2) h prop r),(["As " h prop (1)/(r )]):}` So if radius of the tube is doubled, mass of water will becomes `2M`, which will rise in capillary tube. |
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