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Answer the following questions: The refractive index of diamond is much greater than that of ordinary glass. Is this fact of some use to a diamond cutter?

Answer the following questions:
The refractive index of diamond is much greater than that of ordinary glass. Is this fact of some use to a diamond cutter?

Grade:11

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
10 years ago
Yes
The refractive index of diamond (2.42) is more than that of ordinary glass (1.5). The critical angle for diamond is less than that for glass. A diamond cutter uses a large angle of incidence to ensure that the light entering the diamond is totally reflected from its faces. This is the reason for the sparkling effect of a diamond.
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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