Physics
Grade-10
Easy
Question
The refractive index of a medium depends upon the ____ of the medium.
- Optical density
- Material density
- Transparency
- Opacity
Hint:
Smaller the speed of light in a medium relative to air, higher is the refractive index of that medium
The correct answer is: Optical density
- The two factors on which the refractive index of a medium depends are: Nature of a medium i.e., its optical density (e.g. μg = 1.5, μw = 1.33). Smaller the speed of light in a medium relative to air, higher is the refractive index of that medium
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