A capillary tube of radius ' r ' is immersed in water and water rises to a height of ' h '. Mass of water in the capillary tube is 5 \\times10^{-3} {kg}. The same capillary tube is now immersed in a liquid whose surface tension is \\sqrt{2} times the surface tension of water. The angle of contact between the capillary tube and this liquid is 45^\circ . The mass of liquid which rises into the capillary tube now is, (in {kg} )

AP EAMCET Engineering 2013 Solved Paper

Section: Physics

Question : 14 of 160

Marks: +1, -0

A capillary tube of radius ' r ' is immersed in water and water rises to a height of ' h '. Mass of water in the capillary tube is 5×10−3kg. The same capillary tube is now immersed in a liquid whose surface tension is √2 times the surface tension of water. The angle of contact between the capillary tube and this liquid is 45°. The mass of liquid which rises into the capillary tube now is, (in kg )

5×10−3
2.5×10−3
5√2×10−3
3.5×10−3

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