Question

What is Capillarity​

Answer 1

Capillarity, rise or depression of a liquid in a small passage such as a tube of small cross-sectional area, like the spaces between the fibres of a towel or the openings in a porous material. Capillarity is not limited to the vertical direction.

Explanation:

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Answer 2

QUESTION

What is Capillarity?

ANSWER

Capillarity is defined as the Rise or fall of a liquid when a small diameter glass tube is inserted in it.

• Capillary rise is due to adhesion. Example is water in glass tube.

• Capillary fall is due to Cohesion. Example is mercury in glass tube.

Application of Capillarity

• Lubricating oil spread easily on all parts because of their low surface tension.

• Dirt get removed when detergents are added while washing clothes because surface tension of water is reduced.

• The supply of water to the leaves at the top of even a tall tree is through capillary rise.

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