The lower end of a capillary tube of radius r is placed vertically in water. Then with the rise of water in the capillary, heat evolved is :

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, heat evolved is :
Answer» `+(pi^(2)r^(2)H^(2))/(j)dg` `+(PIR^(2)h^(2))/(2J)dg` `-(pir^(2)h^(2))/(2j)dg` `-(pir^(2)h^(2))/(j)dg` ANSWER :B