Question 3

A uniform capillary tube of inner radius 𝑟 is dipped vertically into a beaker filled with water. The water rises to a height ℎ in the capillary tube above the water surface in the beaker. The surface tension of water is $$\sigma$$ The angle of contact between water and the wall of the capillary tube is $$\theta$$. Ignore the mass of water in the meniscus. Which of the following statements is (are) true?

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