JEE Main 2019 — Physics solution

JEE Main2019Physics

A plane electromagnetic wave of frequency 50 MHz travels in free space along the positive x-direction. At a particular point in space and time, $E = 6.3 \hat{j} V / m .$ The corresponding magnetic field $B,$ at that point will be:

A
$18.9 \times 1 0^{- 8} \hat{k} T$
B
$6.3 \times 1 0^{- 8} \hat{k} T$
C
$2.1 \times 1 0^{- 8} \hat{k} T$
D
$18.9 \times 1 0^{8} \hat{k} T$

Solution

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