JEE Main 2019 — Gravitation Question with Solution
From: JEE Main 2019 (Online) 9th April Morning Slot
Question
A solid sphere of mass 'M' and radius 'a' is
surrounded by a uniform concentric spherical
shell of thickness 2a and mass 2M. The
gravitational field at distance '3a' from the
centre will be :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
We use Gauss’s Law for gravitation
g.4r2 = (Mass enclosed) 4G
g.4r2 = (Mass enclosed) 4G
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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.