Unpolarized light whose intensity is 190 wm2 is incident on, Ask an Expert

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Unpolarized light whose intensity is 1.90 W/m2 is incident on the polarizer in the figure.

(a) What is the intensity of the light leaving the polarizer?

(b) If the analyzer is set at an angle of θ = 78A-1 with respect to the polarizer, what is the intensity of the light that reaches the photocell?

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