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Surface Tension

Water rises i...

Question

Water rises in a glass capillary tube due to :

Surface tension of water

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Cohesive force of glass molecules

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Temperature of water

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Adhesive force between water molecules and the walls of the glass tube

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Solution

The correct option is A Surface tension of water
Due to surface tension (cohesive force within the liquid), water rises in the small glass capillary, against the gravity. This phenomenon is called as 'Capillary action'.

Option A is correct.

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