What is the formula used to calculate refractive index of 2 materials when absolute refractive index of both is given

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Solution

If a light travels from vacuum to any transparent medium then the refractive index of the medium with respect to the vacuum is called it's absolute refractive index. So, if two mediums 1 and 2 are there then there respective absolute refractive index is given as,
$μ_{1} = \frac{c}{v_{1}}$ and $μ_{2} = \frac{c}{v_{2}}$
So, by using these equations, the absolute refractive index of the material can be easily calculated.

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