Two small drops of mercury each of radius r form a single large drop. The ratio of…
Physics · JEE Main · NTA Exams — Properties of Solids and Liquids
Two small drops of mercury each of radius r form a single large drop. The ratio of surface energy before and after this change is :
- 2 : 22/3
- 22/3 : 1
- 2 : 1
- 1 : 2
Answer
(A) 2 : 2 2/3
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