The intensity of light from a source is . Find the amplitude of electric field in this wave.

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Solution

Q.
The intensity of light from a source is $(\frac{500}{π}) {W/m}^{2}$ . Find the amplitude of electric field in this wave.

1 $\sqrt{3} \times 10^{2} N/C$

2 $2 \sqrt{3} \times 10^{2} N/C$

3 $\frac{\sqrt{3}}{2} \times 10^{2} N/C$

4 $2 \sqrt{3} \times 10^{1} N/C$

Ans.
(2)

$\frac{1}{2} ϵ_{0} E_{0}^{2} c = I$

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