JEE Main 2018PhysicsGravitationMediumMCQ

JEE Main 2018Gravitation Question with Solution

JEE Main 2018 (15 Apr Shift 1 Online)

Question

A body of mass is moving in a circular orbit of radius about a planet of mass . At some instant, it splits into two equal masses. The first mass moves in a circular orbit of radius , and the other mass, in a circular orbit of radius . The difference between the final and initial total energies is:

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

Initial gravitational potential energy, Final gravitational potential energy, Difference between initial and final energy,

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About this question

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