Capillarity and Capillary Action

On dipping one end of a capillary in liquid and inclining the capillary at an angles 30^o and 60^​o with the vertical, the lengths of liquid columns in it are found to be $l_1$ and $l_2$ respectively. The ratio of $l_1$ and $l_2$ is

On dipping one end of a capillary in liquid and inclining the capillary at an angles ${30}^0$ and ${60}^0$ with the vertical, the lengths of liquid columns in it are found to be $l_1$ and $l_2$ respectively. The ratio of $l_1$ and $l_2$ is

Water rises in a vertical capillary tube upto a height of $2.0 \mathrm{cm}$. If the tube is inclined at an angle of $60°$with the vertical, then upto what length the water will rise in the tube

Water rises in a vertical capillary tube up to a height of $2.0 \mathrm{cm}$. If the tube is inclined at an angle of $60°$ with the vertical, then up to what length the water will rise in the tube?

When two capillary tubes of different diameters are dipped in liquid vertically, the rise of the liquid in the capillary tube is

When a glass capillary tube of the radius $0.015 \mathrm{cm}$ is dipped in water, the water rises to a height of $15 \mathrm{cm}$ within it. Assuming the contact angle between water and glass to be $0°$, the surface tension of water is $[{\mathrm{\rho }}_{\mathrm{w}\mathrm{a}\mathrm{t}\mathrm{e}\mathrm{r}\mathrm{ }}=1000 \mathrm{k}\mathrm{g}\mathrm{ }{\mathrm{m}}^{-3},\mathrm{ }\mathrm{g}=9.81\mathrm{ }\mathrm{m} {\mathrm{s}}^{-2}]$

Kerosene oil rises up in a wick of a lantern because of

Water rises to a height of $16.3\mathrm{ }\mathrm{c}\mathrm{m}$ in a capillary of height $18\mathrm{ }\mathrm{c}\mathrm{m}$ . If the tube is cut at a height of $12\mathrm{ }\mathrm{c}\mathrm{m}$ , then-

A capillary tube is immersed vertically in water and the height of the water column is $x$. When this arrangement is taken into a mine of depth d, the height of the water column is $y$. If R is the radius of earth, the ratio $\frac{x}{y}$ is :

Which of the following graphs may represent the relation between the capillary rise $h$ and the radius $r$ of the capillary?

Water rises in a capillary tube to a height $h$. Choose false statement regarding capillary rise from the following.

Water rises in a capillary tube to a height $h$. Choose false statement regarding capillary rise from the following.

If the surface tension of water is 0.06 N/m, then the capillary rise in a tube of a diameter 1 mm is $\left(\theta =0^o\right)$

Two large glass plates are dipped vertically in water of density $\rho$ at small separation $d$. If surface tension of water is $T$, then rise of water between the plates is

A fluid has a density of $1040 \mathrm{kg} {\mathrm{m}}^{-3}$. If it rises to a height of $1.8 \mathrm{cm}$ in a $1.0 \mathrm{mm}$ diameter capillary tube, what is the surface tension of the liquid? Assume a contact angle of zero.

The height of a liquid in a fine capillary tube

Which of the following describes the shape of a detergent molecule accurately?

Three liquids of densities ${\rho }_1,{\rho }_2$ and ${\rho }_3$ (with ${\rho }_1>{\rho }_2>{\rho }_3$), having the same value of surface tension $T,$ rise to the same height in three identical capillaries. The angles of contact ${\theta }_1,{\theta }_2$ and ${\theta }_3$ obey :

A capillary tube of radius $r$ is immersed in water and water rises in it to a height $h.$ The mass of water in the capillary tube is $5 \mathrm{g}$. Another capillary tube of radius $2r$ is immersed in water. The mass of water that will rise in this tube is :
 

A capillary tube made of glass is dipped into mercury. Then