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    Pikia

    What Is The Speed Of Light In A Diamond With The Refractive Index Of 2?

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    asked 2 months ago

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    Oddman

    The refractive index for light is the ratio of the speed of light in some reference medium to the speed in the diamond.

    c/2 = (299,792,458 m/s)/2 = 149,896,229 meters per second
    This is assuming the refractive index number is good to 9 significant digits. Otherwise, about 1.5*108 meters per second.

    Under some conditions you may need to differentiate between the phase velocity and the group velocity. See the link above.

    answered 2 months ago   

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