Q. What is the refractive index of Water
Solution:
The refractive index or index of refraction of a material is a dimensionless number that describes how fast light propagates through the material. It is defined as where c is the speed of light in vacuum and v is the phase velocity of light in the medium.
Refractive Index
Vaccum-1
Ice-1.31
Water-1.33
Diamond-2.42
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