In an isothermal process, 2 water drops of radius 1 mm are combined to form a bigger drop. Find the energy change in this process, if 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given, surface tension of water, 
Radius of small drops, 
If R be the radius of bigger drops, then volume remains conserved.
Change in energy during isothermal combination,
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