speed of light
299 792 458 m / sspeed of light
~3*10^8 m/s
~299,792 km/s
~670,616,629 mphspeed of light
300,000 kilometers per second in a vacuum which has a refractive index of 1.0
it slows down to 225,000 kilometers per second in water refractive index of 1.3
and 200,000 kilometers per second in glass (refractive index of 1.5)
For Physics constant it is - 3 x 10 to the power 8Copyright © 2021 Codeinu
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