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    Question

    A ray of light passing through an equilateral

    triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle of prism. Compute the speed of light in the prism?
    A 62 × 10^8m/s Correct Answer Incorrect Answer
    B 2.12 × 10^8m/s Correct Answer Incorrect Answer
    C 1.52 × 10^8 m/s Correct Answer Incorrect Answer
    D 1.92 × 10^8 m/s Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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