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The rms value of the electric field of the light from the sun is `720 N//C` The total energy density of the electromagnetic wave is

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The rms value of the electric field of the light from the sun is `720 N//C` The total energy density of the electromagnetic wave is
A. `4.58xx10^(-6)J//m^(3)`
B. `6.37xx10^(-9)J//m^(3)`
C. `81.35xx10^(-12)J//m^(3)`
D. `3.3xx10^(-3)J//m^(3)`
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Correct Answer - A
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