JEE Main 2020 — Gravitation Question with Solution
From: JEE Main 2020 (Online) 9th January Evening Slot
Question
Planet A has mass M and radius R. Planet B has
half the mass and half the radius of Planet A.
If the escape velocities from the Planets A and
B are vA and vB, respectively, then .
The value of n is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C4
Step-by-step explanation
Escape velocity, Ve =
VA =
VB = =
= 1
Given
= 1
n = 4
VA =
VB = =
= 1
Given
= 1
n = 4
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This is a previous-year question from JEE Main 2020, 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.