JEE Main 2021 — Gravitation Question with Solution
From: JEE Main 2021 (Online) 17th March Morning Shift
Question
The radius in kilometer to which the present radius of earth (R = 6400 km) to be compressed so that the escape velocity is increased 10 times is ___________.
Enter your answer
Show full solutionCorrect answer: 64
Correct answer
64
Step-by-step explanation
= const
= 64 km
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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.