Question

If water rises in a capillary tube
5.8
c
m
above the free surface of the outer liquid what will happen to the mercury level in the same tube when it is placed in the ditch of mercury.

Calculate the difference in level between the mercury surface inside the tube and outside surface tension of water
75
×
10
−
3
n
/
m
, that of mercury
547
×
10
−
3
n
/
m
, angle of contact of mercury with clean glass is
130
degrees, the density of mercury is
13600
k
g
/
m
3
, the density of water is
1000
k
g
/
m
3
?

Answer 1

Answer:

I don't know this but am trying to solve