Physics
The highest refractive index is of:
- glass
- water
- diamond
- Ruby
Refraction Plane Surfaces
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Answer
diamond
Reason — The refractive index of a material is a measure of how much the speed of light is reduced when it enters that material from vacuum or air. Diamond has a refractive index of around 2.41, which is higher than that of glass, water, and ruby.
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