EASY
JEE Advanced
IMPORTANT
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Water rises to a height in a capillary tube lowered vertically into water to a depth as shown in the figure. The lower end of the tube is now closed, the tube is then taken out of the water and opened again. The length of the water column remaining in the tube will be
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Important Questions on Surface Tension and Viscosity
MEDIUM
JEE Advanced
IMPORTANT
Two parallel glass plates are dipped partly in the liquid of density keeping them vertical. If the distance between the plates is Surface tension for liquid is and angle of contact is then rise of liquid between the plates due to capillary will be
EASY
JEE Advanced
IMPORTANT
A liquid is filled in a spherical container of radius till a height . At these positions, the liquid surface at the edges is also horizontal. The contact angle is
HARD
JEE Advanced
IMPORTANT
Excess pressure can be for
MEDIUM
JEE Advanced
IMPORTANT
If a liquid rises to the same height in two capillaries of the same material at the same temperature, then
EASY
JEE Advanced
IMPORTANT
Viscous force is somewhat like friction as it opposes, the motion and is non-conservative but not exactly so, because
MEDIUM
JEE Advanced
IMPORTANT
When a capillary tube is dipped in a liquid, the liquid rises to a height 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
MEDIUM
JEE Advanced
IMPORTANT
A vertical glass capillary tube, open at both ends, contains some water. Which of the following shapes may not be taken by the water in the tube ?
EASY
JEE Advanced
IMPORTANT
If drops of a liquid, each with surface energy , join to form a single drop, then
