Speed of light in glass is 2 X 108 m/s. Find the refractive index of g

1.	Speed of light in glass is 2 X 108 m/s. Find the refractive index of glass.
Answer» Refractive index of glass\xa0= speed of light in vacuum/ speed of light in glass\xa0\u200b=3×108m/s\u200b / 2×108\xa0km/s=1.5

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