Two small drops of mercury each of radius r form a single large drop. The ratio of…

Physics · JEE Main · NTA ExamsProperties 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 :
  1. 2 : 22/3
  2. 22/3 : 1
  3. 2 : 1
  4. 1 : 2

Answer

(A) 2 : 2 2/3

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