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JEE Main & Advanced Physics Question Bank Prism Theory and Dispersion of Light

  • question_answer
    The refractive index of a material of a prism of angles 45°? 45° ? 90° is 1.5. The path of the ray of light incident normally on the hypotenuse side is shown in [EAMCET 1985]

    A)  

    B)               

    C)                      

    D)

    Correct Answer: A

    Solution :

               According to given conditions TIR must take place at both the surfaces AB and AC. Hence only option (a) is correct.


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