JEE Main 2021PhysicsElectrostaticsEasyMCQ

JEE Main 2021 — Electrostatics Question with Solution

JEE Main 2021 (27 Jul Shift 1)

Question

The relative permittivity of distilled water is 81. The velocity of light in it will be: (Given μr=1

Choose an option

Show full solutionCorrect option: C
Correct answer
C3.33×107 m s-1

Step-by-step explanation

V=cμrεr
=3.33×107 m sec-1

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About this question

This is a previous-year question from JEE Main 2021, covering the Electrostatics 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.