Question

*An allotrope of carbon having
high refractive index of 2.42 ?​

Answer 1

Step-by-step explanation:

Diamond is a crystalline, transparent and extremely hard allotrope of carbon. ... Diamond is characterized by high hardness (the hardest of the natural minerals) and high refractive index 2.42 (measure of how a ray of light bends when passes from vacuum to the medium).

Answer 2

Answer:

Diamond..

Diamond has high refractive index (around 2.42) which makes it transparent and lustrous.

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