Physics · Light - Reflection and Refraction
The absolute refractive index of a medium is defined as the ratio of ___________.
- 1speed of light in vacuum to speed of light in medium✓
- 2speed of light in water to speed of light in medium
- 3speed of light in glass to speed of light in water
- 4speed of light in medium to speed of light in vacuum
Correct answer
speed of light in vacuum to speed of light in medium
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