Question

the speed of light in vacuum is 3 x 10^8 m/s and in glass is 1.92 × 10^8 m/s. Find the refractive index of glass with respect to vacuum ​

Answer 1

Answer:

Refractive index of glass with respect to vacuum is 2

Explanation:

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Answer 2

$\small\bf \: Refractive \: index = \frac{speed \: of \: light \: in \: glass \: slab}{speed \: of \: light \: i n \: air }$