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how to calculate speed of light in vacuum. The above equation is. Presently the speed of light in a vacuum is defined to be exactly 299792458 ms approximately 186282 miles per second.
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Substitute the Ampere-Maxwell Law. Ratio of refractive index of the given medium to that of vacuum. Absolute refractive index of the medium is defined as the refractive index of that medium with respect to refractive index of vacuum ie.
This video shows how to calculate the speed that light will travel at in a material with a known value of refractive index.
Absolute refractive index of medium n v a c u u m n m e d i u m v c where v is the speed of light in that medium c is the speed of light in vacuum. C299792458 ms1 And that is absolutely 100. 299792458 meters per second 186282 miles per seconda speed. The speed of light in vacuum is c 299792458 x 108ms.
