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Question: Answered & Verified by Expert
A cut diamond sparkles because of its
PhysicsRay OpticsJEE Main
Options:
  • A Hardness
  • B High refractive index
  • C Emission of light by the diamond
  • D Absorption of light by the diamond
Solution:
1084 Upvotes Verified Answer
The correct answer is: High refractive index
Due to high refractive index its critical angle is very small so that most of the light incident on the diamond is total internally reflected repeatedly and diamond sparkles.

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