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

  • question_answer
    A beam of light composed of red and green ray is incident obliquely at a point on the face of rectangular glass slab. When coming out on the opposite parallel face, the red and green ray emerge from                    [CBSE PMT 2004]

    A)            Two points propagating in two different directions

    B)            Two points propagating in two parallel directions

    C)            One point propagating in two different directions

    D)            One point propagating in the same directions

    Correct Answer: B

    Solution :

               Angle of refraction will be different, due to which red and green emerge from different points and will be parallel.


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