JEE Main 2019PhysicsGravitationEasyMCQ

JEE Main 2019 — Gravitation Question with Solution

JEE Main 2019 (09 Jan Shift 1)

Question

If the angular momentum of a planet of mass m, moving around the Sun in a circular orbit is L, about the center of the Sun, its areal velocity is:

Choose an option

Show full solutionCorrect option: C
Correct answer
CL2m

Step-by-step explanation



dA→=12 r→×v→dt

dA→dt= areal velocity =12 r→×v→

=12r→×mv→m=12m L

dAdt=L2m

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About this question

This is a previous-year question from JEE Main 2019, 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.