Physics
Grade-10
Easy
Question
The absolute refractive index of glass is ___.
- 1
- 1.5
- 1.33
- 1.47
Hint:
The absolute refractive index of a medium is defined as the ratio of the speed of light in the vacuum over the speed of light in the medium.
μ =
The correct answer is: 1.5
The glass has a refractive index of 1.5
- The absolute refractive index can be calculated for any medium with respect to the refraction in air.
- The absolute refractive index of glass is the ratio of refraction in air and glass.
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