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

  • question_answer
    In the position of minimum deviation when a ray of yellow light passes through the prism, then its angle of incidence is [MP PMT 1989; RPMT 1997]

    A)            Less than the emergent angle

    B)            Greater than the emergent angle

    C)            Sum of angle of incidence and emergent angle is 90°

    D)            Equal to the emergent angle

    Correct Answer: D

    Solution :

               In minimum deviation position \[\angle i=\angle e\]


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