The absolute refractive index of a medium is calculated using the speed of light in vacuum (c) and speed of light in the medium (v) as:
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Question

The absolute refractive index of a medium is calculated using the speed of light in vacuum (c) and speed of light in the medium (v) as:

Accepted Answer

The absolute refractive index (n) of a medium is defined as the ratio of the speed of light in vacuum to the speed of light in that medium, i.e., n = c / v. Therefore, option C is correct.

Light – Reflection and Refraction

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