Question

When a capillary tube of radius r is dipped into a liquid, the rise of the liquid in the tube is h. If a capillary tube of same material but of radius r/2 be dipped into the liquid, the rise of the liquid will be- *​

Answer 1

Answer:

When a capillary tube is dipped in a liquid, the liquid rises to a height h in the tube. The free liquid surface inside the tube is hemispherical in shape. The tube is now pushed down so that the height of the tube outside the liquid is less than h. Then.