In which medium light travels the fastest?

April 21, 2011 by  
Filed under Physics

Light travels fastest in Vacuum. The speed of light in vacuum is almost 299,792,458 meters per second, which is 1.0003 times faster than light travelling in air. In different theories and equations of physics, the speed of light is represented by the symbol ā€œcā€ and the speed of light in vacuum is written as ā€œc0″ā€. […]

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