Question

Solve the problems.

049) What is the speed of light in a medium if the index of refraction is 1.57?
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Answer 1

v= 1.911×10^8m/s

Step-by-step explanation:

n=c/v

v=c/n

v= 3.0×10^8/1.57

v= 1.911×10^8m/s