What is capillarity ?
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The force which acts on a liquid in a narrow tube to push it up and down.
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Hey !!
A tube with a fine and uniform bore throughout its length is called a capillary tube. The phenomenon of rise or fall of liquid in a capillary tube is called capillarity.
If a liquid rises or falls a height h in a capillary tube and angle of contact is θ, then h is 2T cosθ / rdg
where, r = Radius of capillary tube , d = density of liquid and T = Surface tension of liquid
Rate of flow of liquid in a capillary is Q = πρr⁴ / 8ηl
Good luck !!
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