A meniscus drop of radius 
is sprayed into 
droplets of equal size. Calculate the energy expended if surface tension of mercury is 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, Number of smaller droplets, 
Surface tension, 
Radius of meniscus, 
Work done in splitting a large drop of radius R in n smaller drops of equal size is
Increment in surface area
Here, 
surface tension.
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