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Quiz_19c - Physics 241 Quiz 19c April 8 2008 Unpolarized...

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Unformatted text preview: Physics 241 Quiz 19c April 8, 2008 Unpolarized light of intensity I0 is sent through 3 polarizers. The second one is rotated 90 from the first polarizer, but the last one is again aligned in the same direction as the first. What is the intensity transmitted by this system? I0 I1 I2 I3 I1=(1/2)I0 I2=I1(cos 90)2 I3=I2(cos 90)2 a) 0.71 I0 b) 0.50 I0 c) 0.25 I0 d) 0.125 I0 e) 0 ...
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