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

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If both statement I and statement II are true and statement II is the correct explanation of statement I.

If both statement I and statement II are true but statement II is not the correct explanation of statement I.

If statement I is true but statement II is false

If both statement I and statement II are false

answer is A.

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Detailed Solution

h = 2TRdg ⇒hR = 2Tdg ∴hR = constantHence when the tube is of insufficient length, radius of curvature of the liquid meniscus increases, so as to maintain the product hR 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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