The lower end of capillary tube is immersed in mercury. The level of mercury in the tube is found to be 2 cm below the outer level. If the same tube is immersed in water, upto what height will the water rise in the capillary?
5.9
4.9
2.9
1.9
C.
2.9
hHg - height of the mercury
hw - height of water
hHg =
and hw =
where, the symbols have their usual meanings
Now,
=