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The absolute refractive index of Ruby is...

The absolute refractive index of Ruby is 1.7. Find the speed of light in Ruby. The speed of light in vacuum is `3 xx 10^8 m//s`.

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To find the speed of light in Ruby, we can use the formula relating the refractive index (n) to the speed of light in vacuum (c) and the speed of light in the medium (v): \[ n = \frac{c}{v} \] Where: - \( n \) is the absolute refractive index of the medium (Ruby in this case), - \( c \) is the speed of light in vacuum, - \( v \) is the speed of light in the medium (Ruby). ...
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