JEE Main 2021 — Mechanical Properties of Fluids Question with Solution
JEE Main 2021 (20 Jul Shift 2)
Question
Two small drops of mercury each of radius coalesce to form a single large drop. The ratio of total surface energy before and after the change is
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Correct answer
A
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This is a previous-year question from JEE Main 2021, covering the Mechanical Properties of Fluids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.