An electromagnetic beam has an intensity 28 W/m2 and is linearly polar – McqOptions

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1.	An electromagnetic beam has an intensity 28 W/m² and is linearly polarized vertically. What is the intensity of the transmitted beam, if the angle of incidence on the polaroid is 45o with the vertical?
A.	10 Wm<sup>-1</sup>
B.	12 Wm<sup>-1</sup>
C.	14 Wm<sup>-1</sup>
D.	16 Wm<sup>-1</sup>
Answer» D. 16 Wm<sup>-1</sup>

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