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A cylindrical capillary tube of 0.2 mm r...

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^(@)and60^(@)`, 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//m^(3)`, take g = `10m//s^(2)`]

A

The correction in the height of water column raised in the tube, due to weight of water contained in the meniscus, will be different for both cases.

B

For case II, if the capillary joint is 5 cm above the water surface, the height of water column raised in the tube will be 3.75 cm. (Neglect the weight of the water in the meniscus)

C

For case I, if the joint is kept at 8 cm above the water surface, the height of water column in the tube will be 7.5 cm. (Neglect the weight of the water in the meniscus)

D

For case I, if the capillary joint is 5 cm above the water surface, the height of water column raised in the tube will be more than 8.75 cm. (Neglect the weight of the water in the meniscus)

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