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Assertion :When height of a tube is less than liquid rise in t

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Assertion :When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow.
Reason :Product of radius of meniscus and height of liquid in capillary tube always remains constant

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

Assertion is correct but Reason is incorrect

Both Assertion and Reason are incorrect

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Assertion :When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow.
Reason :Product of radius of meniscus and height of liquid in capillary tube always remains constant

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Text solutionVerified

h = \frac{2 T}{R d g} \Rightarrow h R = \frac{2 T}{R d g} ∴ h R = co n s t an t

Hence when the tube is of insufficient length, radius of curvature of the liquid meniscus increases, so as to maintain the product

h R

a finite constant.
i.e. as

h

decreases,

R

increases and the liquid meniscus becomes more and more flat, but the liquid does not overflow.

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Question Text	Assertion :When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow. Reason :Product of radius of meniscus and height of liquid in capillary tube always remains constant
Answer Type	Text solution:1
Upvotes	150

Assertion :When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow. Reason :Product of radius of meniscus and height of liquid in capillary tube always remains constant

Text solutionVerified

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Assertion :When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow.
Reason :Product of radius of meniscus and height of liquid in capillary tube always remains constant