JEE Main 2018PhysicsNuclear PhysicsMediumMCQ

JEE Main 2018Nuclear Physics Question with Solution

JEE Main 2018 (15 Apr Shift 2 Online)

Question

An unstable heavy nucleus at rest breaks into two nuclei which move away with velocities in the ratio of . The ratio of the radii of the nuclei (assumed to be spherical ) is:

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

Let heavy nucleus breaks into two nuclei of mass and and move away with velocities and respectively. According to question, (Law of momentum conservation)

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About this question

This is a previous-year question from JEE Main 2018, covering the Nuclear Physics 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.