The refractive index of diamond is:
A2.42
B1.33
C1.52
D1.62
Answer & Solution
Correct answer: A. 2.42
1. Diamond is the densest of the media listed.
2. Its refractive index is 2.42.
3. That is why its critical angle is the smallest.
_Source: NCERT Class 12 Physics Part II, Ch 9 'Ray Optics and Optical Instruments'_
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