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A system of three polarizers P 1 ​ ,P ...

A system of three polarizers P 1 ​ ,P 2 ​ ,P 3 ​ is set up such that the pass axis of P 3 ​ is crossed with respect to that of P 1 ​ . The pass axis of P 2 ​ is inclined at `60^@` to the pass axis of P 3 ​ . When a beam of unpolarized light of intensity lo is incident on P 1 the in of light transmitted by the three polarizers I. The ratio (I0 /I) equals (nearly):

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CHETANA PUBLICATION-Wave Optics-Exercise
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