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 $
