Properties Of Solids And Liquids Question 361

Question: Two small drops of mercury, each of radius R, coalesce to form a single large drop. The ratio of the total surface energies before and after the change is [AIIMS 2003; DCE 2003]

Options:

A) $ 1:{{2}^{1/3}} $

B)$ {{2}^{1/3}}:1 $

C) 2 : 1

D) 1 : 2

Show Answer

Answer:

Correct Answer: B

Solution:

The ratio of the total surface energies before and after the change $ ={{n}^{1/3}}:1={{2}^{1/3}}:1 $



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