zozo32802 zozo32802

28-01-2024
Physics

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RMS value of electric field of light coming from the sun is 400 mC⁻¹. What is the total energy density of electromagnetic waves?

a) 160,000 Jm⁻³
b) 80,000 Jm⁻³
c) 40,000 Jm⁻³
d) 20,000 Jm⁻³

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