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

  • question_answer
    A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true                                          [IIT-JEE (Screening) 2004]

    A)            PQ is horizontal                   

    B)            QR is horizontal

    C)            RS is horizontal                    

    D)            Either PQ or RS is horizontal

    Correct Answer: C

    Solution :

               In minimum deviation position refracted ray inside the prism is parallel to the base of the prism.


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