What is the formula for the refractive index of the medium? – McqOptions

MCQOPTIONS

1.	What is the formula for the refractive index of the medium?
A.	The ratio of speed of light in medium to speed of light in air
B.	The product of speed of light in air and speed of light in medium
C.	The sum of the speed of light in air and the speed of light in medium
D.	The ratio of speed of light in air to the speed of light in medium
Answer» E.

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