In a plane EM wave,the electric field os...

In a plane EM wave,the electric field oscillates sinusoidally at a frequency of `5times10^(10)Hz` and an amplitude of `50Vm^(-1)` .The total average energy density of the electromagnetic field of the wave is: [Use `varepsilon_(0)=8.85times10^(-12)C^(2)"/"Nm^(2)]`

`1.106times10^(-8)Jm^(-3)`

`2.212times10^(-10)Jm^(-3)`

`2.212times10^(-8)Jm^(-3)`

`4.425times10^(-8)Jm^(-3)`

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