When a drop of liquid splits up into many number of drops, then which the following is correct. a) Volume increases b) Area increases c) Energy is liberated d) Energy is absorbed
A
a and c are true
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B
b and d are true
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C
a and b are true
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D
b and c are true
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Solution
The correct option is A b and d are true When a drop of liquid splits into a number of drops, each drop tries to minimize its area but the overall surface area of drops increases. Taking the example of a liquid drop of radius 'R' splits into 'n' identical droplets, then the total surface area of n droplets will be greater than that of the big drop. Energy is absorbed in this process as there is an increase in entropy of the drops. Hence the correct option is (B)