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Byju's Answer
Standard XII
Physics
Capillary Action
An air bubble...
Question
An air bubble inside a liquid surface tension 1*10^-3 nm grows from a radius of 1.0*10^-5 to 1*10^-4 in 6 meus the average rate od change of the pressure inside the bubble is
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Similar questions
Q.
An air bubble is lying just below the surface of water. The surface tension of water is
70
×
10
−
3
N
m
−
1
and atmospheric pressure is
1.013
×
10
5
N
m
−
2
. If the radius of bubble is
1
m
m
, then the pressure inside the bubble will be :
Q.
An air bubble of radius
0.1
c
m
is in a liquid having surface tension
0.06
N
/
m
and density
10
3
k
g
/
m
3
. The pressure inside the bubble is
1100
N
m
−
2
greater than the atmospheric pressure. At what depth is the bubble below the surface of the liquid?
(
g
=
9.8
m
s
−
2
)
Q.
A small air bubble of
0.1
m
m
diameter is formed just below the surface of water. If surface tension of water is
0.072
N
m
−
1
, the pressure inside the air bubble in
k
P
a
is (Atmospheric pressure
=
1.01
×
10
5
P
a
):
Q.
The excess pressure inside a small air bubble of radius
0.05
m
m
in water of surface tension
70
d
y
n
e
−
c
m
−
1
is
P
a
:
Q.
There is an air bubble of radius
1.0
m
m
in a liquid of surface tension
0.075
N
/
m
and density
1000
k
g
/
m
3
The bubble is at a depth of
10
c
m
below the free surface. By what amount is the pressure inside the bubble greater than the atmospheric pressure? (Take
g
=
9.8
m
/
s
2
)
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