JEE Advanced 2019 Paper 1 Physics Q5

Physics · Solids & Fluids

Problem

A cylindrical capillary tube of 0.2 mm radius is made by joining two capillaries T1 and T2 of different materials having water contact angles of 0° and 60°, respectively. The capillary tube is dipped vertically in water in two different configurations, case I and II as shown in figure. Which of the following option(s) is(are) correct? [Surface tension of water = 0.075 N/m, density of water = 1000 kg/m³, take g = 10 m/s²]

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