JEE Main 2024 Physics question

PhysicsMechanical Properties of FluidsJEE Main 2024

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 the above statements, choose the most appropriate from the options given below

Answer: (D)

Solution

Surface tension decreases as temperature increases and h ∝ surface tension, so

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Question ID VK-016847