" What is absolute refractive index "

If the speed of light in a medium is 1.5xx10^8 m//s , what is the absolute refractive index of the medium?

If the speed of light in a medium is 1.5 xx 10^(8) m/s. what is the absolute refractive index of the medium ?

If the speed of light in a medium is 1. 5 xx 10^(8) m//s , what is the absolute refractive index of the medium ?

If the speed of light in a medium is 1.5xx10^(8)m//s , what is the absolute refractive index of the medium ?

What is the speed of light in a transparent medium having absolute refractive index 1.25 ?

What is the speed of light in a transparent medium having absolute refractive index 1.25?

Ray of light is incident on surface of glass plate of absolute refractive index 1.55 at an angle of polarisation angle of refraction = ......

What is meant by absolute refractive index?