In a plane electromagnetic wave, the electric field oscillates si… | JEE Main 2024 Physics PYQ

MCQEasyJEE Main 2024 · 31 January, Shift 1Characteristics of EM Waves

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of $5 \times 10^{10} \, \text{Hz}$ and an amplitude of $50 \, \text{V/m}$ . The total average energy density of the electromagnetic field of the wave is:

A
$1.106 \times 10^{-8} \, \text{J/m}^3$
B
$4.425 \times 10^{-8} \, \text{J/m}^3$
C
$2.212 \times 10^{-8} \, \text{J/m}^3$
D
$2.212 \times 10^{-10} \, \text{J/m}^3$

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