Physics · Light and Optics
What is the formula for the refractive index of a medium, nm?
- 1The ratio of speed of light in air to the speed of light in medium✓
- 2The sum of the speed of light in air and the speed of light in medium
- 3The product of speed of light in air and speed of light in medium
- 4The ratio of speed of light in medium to speed of light in air
Correct answer
The ratio of speed of light in air to the speed of light in medium
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