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Why does diamond shows brilliance?

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Why does diamond shows brilliance?

    • Posted by Tanisha Shrivastava 5 years, 1 month ago

    CBSE > Class 12 > Physics
    • 2 answers

    Nikita Mittal 5 years, 1 month ago

    TIR occur in diamond

    2Thank You

    Yogita Ingle 5 years, 1 month ago

    Refractive index of diamond is 2.42 and the critical angle is 24.40 only.  The faces of diamond are cut in such a way that a ray of light entering the diamond suffers repeated total internal reflections (angle of incidence is greater than the critical angle) at different faces and remains confined within the diamond.  Thus it sparkles.

    3Thank You

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