Two small drops of mercury coalesce to form a single large drop. The ratio of total surface energy before and after the change is: - VgyanHub

Question:

Two small drops of mercury coalesce to form a single large drop. The ratio of total surface energy before and after the change is:

Options :

(a) 2:1
(b) 2⅓:1
(c) 2⅔:1
(d) 1:2

Answer :

(b) 2⅓:1

Answer Steps :

Step 1:

Step 2:

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