Physics · Light and Optics
Select the correct statement regarding the refractive index of a medium from among the following.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Refractive index and reflection represent the exact same optical phenomenon.
- 2The ratio of the speed of light in a vacuum to its speed in a specific medium is called the refractive index.✓
- 3The ratio of the speed of light in a specific medium to the speed of light in a vacuum is called the refractive index.
- 4Refractive index is calculated as the sum of the angle of incidence and the angle of refraction.
Correct answer
The ratio of the speed of light in a vacuum to its speed in a specific medium is called the refractive index.
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