JEE Main 31-Jan-2024 Shift 1 Solved Paper

Section: Physics

Question : 40 of 90

Marks: +1, -0

In a plane EM wave, the electric field oscillates sinusoidally at a frequency of 5×1010‌Hz and an amplitude of 50Vm−1. The total average energy density of the electromagnetic field of the wave is : [Use ε0=8.85×10−12C2∕Nm2 ]

[31-Jan-2024 Shift 1]

1.106×10−8Jm−3
4.425×10−8Jm−3
2.212×10−8Jm−3
2.212×10−10Jm−3

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