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VIT Engineering VIT Engineering Solved Paper-2011

  • question_answer
     Polarising angle for water is \[53{}^\circ 4\]. If light is incident at this angle on the surface of water and reflected the angle of refraction is

    A)  \[53{}^\circ 4\]

    B)  \[126{}^\circ 56\]

    C)  \[36{}^\circ 56\]

    D)  \[30{}^\circ 4\]

    Correct Answer: C

    Solution :

    \[{{\theta }_{p}}+r={{90}^{o}}\] \[r={{90}^{o}}-{{\theta }_{p}}\] \[r={{90}^{o}}-{{53}^{o}}4\] \[={{36}^{o}}56\]


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