Physics · Light - Reflection and Refraction
The absolute refractive index of a medium is defined as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the ratio of the speed of light in the medium to that in air
- 2the ratio of the speed of light in the medium to that in vacuum
- 3the ratio of the speed of light in one medium to that in another medium
- 4the ratio of the speed of light in vacuum to that in the medium✓
Correct answer
the ratio of the speed of light in vacuum to that in the medium
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