Question
If the diameter of a capillary is doubled, then the rise
of water in it will be –Solution
Radius of a capillary tube is inversely proportional to the height of the liquid column. So, if radius of the tube is doubled, rise of level of water will becomes half of the previous rise in capillary tube. Capillary action, or capillarity, is the ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to external forces like gravity.
Among seven friends D, E, F, G, H, I and J. E is taller than only four other friends. F is taller than G. D is taller than I. H is taller than one perso...
Who among the following weigh lighter than D?
B is heavier than F but lighter than Y. E is lighter than B but heavier than F. D is heavier than F and Y. Who is the heaviest?
Seven persons F, G, H, I, J, K, and L have different number of chocolates. Only I has more chocolates than J. K has more chocolates than L and F. F has...
The speeds of seven trucks R, S, T, U, V, W and X are compared. All trucks have different speeds. The speed of R is more than only two trucks. The speed...
There are five persons who have different number of chocolates. H has more chocolates than G and K. J, who doesn’t have highest number of chocolates, ...
Among seven students S, T, U, V, W, X and Y. X is heavier than Y but lighter than V. U is heavier than T. S is the heaviest. T is fourth heaviest. W is ...
Five friends F, G, H, I and J have different heights but not necessarily in the same order. F is taller than G. J is taller than I, who is taller than G...
E, F, G, H and I are five sisters. G is younger than only two sisters. F is older than E but younger than G. I is not the oldest. Who is the oldest?
Who among the following got the highest marks?Â
Relevant for Exams:
