JEE Main 2021 — Gravitation Question with Solution
From: JEE Main 2021 (Online) 18th March Evening Shift
Question
The angular momentum of a planet of mass M moving around the sun in an elliptical orbit is . The magnitude of the areal velocity of the planet is :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Gravitational force line passes through the sun so torque about sun always zero for the planet.
Angular momentum about sum is constant.
= Constant
we know, L = M r
Now,
base height
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This is a previous-year question from JEE Main 2021, 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.