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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    Two Nicols are oriented with their principal planes making an angle of\[60{}^\circ \]. The percentage of incident unpolarized light which passes through the system is

    A)  50%           

    B)  100%

    C)  12.5%          

    D)  37.5%

    Correct Answer: C

    Solution :

    Intensity of polarized light from first polarizer\[=\frac{100}{2}=50\] \[I={{I}_{0}}{{\cos }^{2}}\theta \] \[=50{{\cos }^{2}}60{}^\circ \] \[=\frac{50}{4}=12.5\]


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