Home
Class 11
PHYSICS
Water rises in capillary tube, whereas m...

Water rises in capillary tube, whereas mercury falls in the same tube. Explain.

Text Solution

Verified by Experts

`:.` Cohesive forces between mercury molecules are larger than adhesive force between mercury and material of capillary tube : mercury falls.
But incase of water cohesive forces between water and material of capillary tube are larger than cohesive force between water molecules, then water rises in capillary tube.
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Water rises in a capillary tube, where as mercury falls in the same tube. Explain

What is a capillary tube ? Also define capillarity.

Water rises to a height of 9 cm in a capillary tube.To what height the water will rise in another capillary tube having dimeter 1//3 of the first ?

A U-tube contains water and methylated spirit separated by mercury. The mercury columns in the two arms are in level with 10.0 cm of water in one arm and 12.5 cm of spirit in the other. What is the specific gravity of spirit ?

Derive an expression for the rise of liquid in a capillary tube and show that the height of the liquid column supported is inversely proportional to the radius of the tube.

Water in U-tube executes S.H.M. Will the time period for mercury filled up to the same height in the U-tube be lesser or greater than that in case of water?

Explain Test tube babies.

In GIFT, gametes are transferred to the fallopian tube. Can gametes be transferred to the uterus to achieve the same result. Explain.

Why water gets depressed in a glass tube whose inner surface is coated with wax?

Explain what will happen if all the seed of a plant were to fall at the same place and grow there ?

Home
Profile