JEE Main 2012 — Center of Mass Momentum and Collision Question with Solution
JEE Main 2012 (19 May Online)
Question
A moving particle of mass , makes a head on elastic collision with another particle of mass , which is initially at rest. The percentage loss in energy of the colliding particle on collision, is close to
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Fractional decrease in kinetic energy of mass


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This is a previous-year question from JEE Main 2012, covering the Center of Mass Momentum and Collision 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.