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NEET Sample Paper NEET Sample Test Paper-85

  • question_answer
    An equilateral prism is placed on a horizontal surface. A ray PQ is incident onto it. For minimum deviation

    A) PQ is horizontal

    B) QR is horizontal

    C) RS is horizontal

    D) any one will be horizontal

    Correct Answer: B

    Solution :

    [b] For minimum deviation, incident angle is equal to emerging angle. \[\therefore \] QR is horizontal.


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