The lower end of a capillary tube of radius r is placed vertically in water. Then with the rise of water in the capillary through height 'h'. heat evolved is : (Take d= density of water )

The lower end of a capillary tube of radius r is placed vertically in

1.	The lower end of a capillary tube of radius r is placed vertically in water. Then with the rise of water in the capillary through height 'h'. heat evolved is : (Take d= density of water )
Answer» `+ pi^2 r^2 HDG ` `+( pi^2 r^2h^2)/(2)DG ` `-(pi r^2 h^2 )/(2) dg` `pir^2h^2 dg ` ANSWER :B