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NEET Sample Paper NEET Sample Test Paper-54

  • question_answer
    A beam of light strikes a piece of glass at an angle of incidence of \[60{}^\circ \] and the reflected beam is completely plane polarised. The refractive index of the glass is-

    A) \[1.5\]                           

    B) \[\sqrt{3}\]

    C) \[\sqrt{2}\]                                

    D) \[(3/2)\]

    Correct Answer: B

    Solution :

    \[\mu =tani=tan\,60{}^\circ =\sqrt{3}\]


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