Physics, 30.12.2020 22:30 YannahRussell
If a sinusoidal electromagnetic wave with intensity 18 W/m2 has an electric field of amplitude E, then a 36 W/m2 wave of the same wavelength will have an electric field of amplitude?
a. 4E
b. 2 underroot 2E
c. 2E
d. underroot E
Answers: 3
![\frac{I_1}{I_2} = [ \frac{ E_{max}_1}{ E_{max}_2} ] ^2](/tpl/images/1009/7497/c347e.png)
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If a sinusoidal electromagnetic wave with intensity 18 W/m2 has an electric field of amplitude E, th...
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