Two steel marbles (of radii R and $\frac{R}{3}\backslash frac\{R\}\{3\}$) are released in a highly viscous liquid. The ratio of the terminal velocity of the larger marble to that of the smaller is

A large tank, filled with a liquid, is open to the atmosphere. If the tank discharges through a small hole at its bottom, the speed of efflux does NOT depend on

A number of small drops of mercury coalesce adiabatically to form a single drop. The temperature of drop

Plants get water through the roots because of

The height of a liquid in a fine capillary tube

At critical temperature, the surface tension of a liquid

A capillary tube when immersed vertically in a liquid records a rise of 3 cm. if the tube is immersed in the liquid at an angle of 60° with the vertical, then length of the liquid column along the tube will be

When the angle of contact between a solid and a liquid is 90°, then

The surface of water in contact with glass wall is

5 g of water rises in the bore of capillary tube when it is dipped in water. If the radius of bore capillary tube is doubled, the mass of water that rises in the capillary tube above the outside water level is