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how to calculate speed of light in medium. C f where. Light is refracted if a light beam goes from one transparent medium into another without being reflected.
The Refractive Index Of Glass Is 1 5 If The Speed Of Light In A Vacuum Is 3 10 8 M S Then What Is The Speed Of Light In Glass Quora from www.quora.com
2What is the critical angle where refraction becomes total internal reflection when passing from a material with index of refraction n1 447 to another material with index of refraction n2 207. Calculate Refraction A simple calculator for the angle of incidence angle of refraction and the refractive index and for the speed of light in a medium. Its exact value is defined as 299 792 458 metres per second approximately 300 000 kms or 186 000 mis.
V in this equation is the speed of light in a medium having an index n and c represents the speed of light in vacuum.
So at least at first glance it would seem that Einsteins axiom of a universal speed of light leads to paradoxical nonsense. Whenever light is in a vacuum its speed has that exact value no matter who measures it. This value is the speed of light in a vacuum. Now what about the wavelength.