The correct formula for intensity of electromagnetic wave is

I = \frac{{η c ε}_{0} E^{2}}{2}

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I = c

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I = \frac{ε_{0} E^{2}}{2}

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I = \frac{ε_{0} E^{2}}{4}

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Solution

The correct option is A $I = \frac{{η c ε}_{0} E^{2}}{2}$

Intensity of electromagnetic wave, $I = \frac{η c ε_{o} | E |^{2}}{2}$

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Similar questions

\frac{E^{2} μ_{0} ε_{0}}{B^{2}}

(\frac{1}{2}) ε_{0} E^{2}

ε_{0}

(\frac{1}{2}) ε_{0} E^{2}

ε_{0}

List I

List II

\begin{matrix} List I & List II (A) & If E_{1} and E_{2} be mutually exclusive events, then & 1 & E_{1} \cap E_{2} = E_{1} (B) & If E_{1} and E_{2} are mutually exclusive and exhaustive events, then & 2 & (E_{1} - E_{2}) \cup (E_{1} \cap E_{2}) = E_{1} (C) & If E_{1} and E_{2} have common outcomes, then & 3 & E_{1} \cap E_{2} = ϕ, E_{1} \cup E_{2} = S (D) & If E_{1} and E_{2} are events such that E_{1} \subset E_{2}, then & 4 & E_{1} \cap E_{2} = ϕ \end{matrix}

e^{2 + i}

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