unpolorized light unpolorized light Unpolarized light with initial intensity of

Question

unpolorized light

unpolorized light Unpolarized light with initial intensity of I goes through two linear polarizers. The first polarizer has a transmission axis at an angle of +75? with respect to the vertical and the second polarizer has a transmission axis at an angle of +45? with respect to the vertical. 32) What is the final intensity of light? a) 0.5 I b) 0.375 I e) 0.25 I d) 0.125 I e) 0 33) If a third polarizer, with transmission axis at 60 degree with respect to the vertical, where should it be placed to maximize the final intensity of light? a) before the first polarizer b) between the two polarizers e) after the second polarizer d) it does not matter e) it depends on the frequency of light

Explanation / Answer

I1 = I0 cos2 (THETA)

= 0.93 I0

I2 = 0.5 I0

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