Can the absolute refractive index of a medium be less than one?
Answers:
No, the absolute refractive index of a medium can not be less than one because speed of light in any medium is always less than that in vacuum.
Can the absolute refractive index of a medium be less than one?
No, the absolute refractive index of a medium can not be less than one because speed of light in any medium is always less than that in vacuum.