The rms value of electric field of a lig...

The rms value of electric field of a light at a point coming from the Sun is 800 N/C. The average total energy density of light at that point is

`4.23*10^-6 J m^-3`

`2.48*10^-6 J m^-3`

`5.67*10^-6 J m^-3`

`1.42*10^-6 J m^-3`

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