Question

# The absolute refractive index of any medium is always ........

A
1
B
> 1
C
< 1
D
Zero

Solution

## The correct option is B > 1> 1The absolute refractive index $$\left(n = c/v \right)$$ of any medium is always greater than 1, because speed of light in any medium is always less than that in vacuum (i.e $$v < c$$).Physics

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