Do lenses without thinning and an index of 1.5 have more UV protection than thinner 1.6 index lenses? - Quora
![The absolute refractive index of glass and water are 3/2 and 4/3 , respectively. If the speed of light in glass is 2 × 10^8 m/s, calculate the speed of light in :(a) vacuum(b) water The absolute refractive index of glass and water are 3/2 and 4/3 , respectively. If the speed of light in glass is 2 × 10^8 m/s, calculate the speed of light in :(a) vacuum(b) water](https://i.ytimg.com/vi/VZtTXUuNGIM/maxresdefault.jpg)
The absolute refractive index of glass and water are 3/2 and 4/3 , respectively. If the speed of light in glass is 2 × 10^8 m/s, calculate the speed of light in :(a) vacuum(b) water
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