Given below are two statements:
Statement I: If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in hot water:
Statement II: If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in cold water:
In the light of above statements, choose the most appropriate from the options given below

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Statement I is false but Statement II is true

Statement I is true but Statement II is False

Both Statement I and Statement II are false

Both Statement I and Statement II are true

answer is B.

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Detailed Solution

Capillary rise is given by $h = \frac{2 T \cos θ}{ρ g r}$
Surface Tension hot liquid is less than that of it’s cold liquid, radius of capillary tube increases when dipped in hot liquid

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