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JEE Main 201322 AprilOnline

Exam: JEE Main
Year: 2013
Date: 22 April
Mode: Online
Subject: Physics
Chapter: Electromagnetic Waves

JEE Main 2013 · 22 April · Online · Physics · Electromagnetic Waves

A plane electromagnetic wave in a non-magnetic dielectric medium is...

A plane electromagnetic wave in a non-magnetic dielectric medium is given by

\vec{E}=\vec{E}_0\left(4 \times 10^{-7} x-50 t\right)

with distance being in meter and time in seconds. The dielectric constant of the medium is :

Options

A $2.4$
B $5.8$
C $8.2$
D $4.8$

Correct answer

B. $5.8$

Step-by-step solution

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