Question

What is called the absolute refractive index? What is the refractive index
of a medium in which the velocity of light is 2.5 10° m/s? (Velocity of
light in vacuum is 3 10° m/s.)
What difference do vou find in electric current and potential difference when​

Answer 1

Answer:

the absolute refractive index is the refractive index and f a mediume in vaccum.