Question:medium
Define the term absolute refractive index of a medium.
Define the term absolute refractive index of a medium.
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More refractive index means light slows down more.
Updated On: Jan 13, 2026
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Solution and Explanation
The absolute refractive index of a substance is calculated by dividing the speed of light in a vacuum (or air) by the speed of light within that substance. \[ n = \frac{c}{v} \] In this formula, $n$ represents the absolute refractive index, $c$ is the speed of light in a vacuum, and $v$ is the speed of light in the specific substance.
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