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Railways General Science & Technology Ray Optics Sample Paper Ray Optics Sample Test Paper-6

  • question_answer
    The basic reason for the extraordinary sparkle of a suitably cut diamond is that

    A)  It is very hard

    B)  It has a very high refractive index

    C)  It has a very high transparency

    D)  It has well-defined cleavage planes

    Correct Answer: B

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