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28 September, 07:00

If a material has an index of refraction of 1.61, Determine the speed of light through this medium

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  1. 28 September, 10:10
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    1.86 x 10^8 m/s

    Explanation:

    n = 1.61

    The formula for the refractive index is given by

    n = speed of light in vacuum / speed of light in material

    n = c / v

    v = c / n

    v = (3 x 10^8) / 1.61

    v = 1.86 x 10^8 m/s
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