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Byju's Answer
Standard XII
Chemistry
Raoult's Law
A ring of rad...
Question
A ring of radius
R
is kept on water surface. Surface tension of water is
T
and mass is
m
. What force required to lift the ring from water surface?
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Solution
F
e
x
=
m
g
=
2.
T
(
2
π
R
)
F
e
x
=
m
g
+
2
T
π
R
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