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    Question

    When white light passes through a glass prism we get a

    spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is -
    A the violet ray Correct Answer Incorrect Answer
    B the red ray Correct Answer Incorrect Answer
    C the green ray Correct Answer Incorrect Answer
    D the blue ray Correct Answer Incorrect Answer

    Solution

    Red is deviated the least and violet the most.

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