The expression for refractive index is given by Select one: a. N = cv b. N = 1/cv c. N = v/c d. N = c/v
Question
The expression for refractive index is given by
Select one: a. N = cv b. N = 1/cv c. N = v/c d. N = c/v
Solution
The correct answer is d. N = c/v. The refractive index (N) of a medium is defined as the speed of light in vacuum (c) divided by the speed of light in the medium (v).
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