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Byju's Answer
Standard XII
Physics
Surface Tension
When a soap b...
Question
When a soap bubble is charged excess pressure inside it (assume radius does not change) 1) Decreases 2)Increases 3)Does not Change 4)Depends on the nature of cha
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Q.
If the excess pressure inside a soap bubble of radius
r
1
in air is equal to the excess pressure inside air bubble of radius
r
2
inside the soap solution, then
r
1
:
r
2
is
Q.
The excess pressure across a soap bubble of radius
r
is
p
=
4
σ
r
,
where
σ
is the surface tension of soap solution. What is the excess pressure across an air bubble of the same radius
r
formed inside a container of soap solution?
Q.
A soap bubble of radius '
r
' is formed in air. The
excess pressure inside the bubble is:
Q.
A soap bubble of radius
R
is surrounded by another soap bubble of radius
2
R
as shown. Taking surface tension =
S
, the pressure inside the smaller soap bubble, in excess of the atmospheric pressure will be
Q.
A soap bubble of radius
R
is surrourded by another soap bubble of radius
2
R
, as shown. Take surface tension
=
S
. Then, the pressure inside the smaller soap bubble, in excess of the atmosphere pressure will be:
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