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प्रश्न
Select the most appropriate word from the given box and fill in the following blanks.
| normal 48.6° ray red refractive index vacuum 41° refraction 2.3 |
The refractive index of diamond is ______.
रिकाम्या जागा भरा
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उत्तर
The refractive index of diamond is 2.3.
Explanation:
Diamond is an optically very dense substance with a high refractive index of around 2.3 to 2.42, giving it a very small critical angle of about $24^\circ$.
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पाठ 2: Light - Graded Assignment 2.1 [पृष्ठ ११६]
