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Per NCERT Table 9.3, what is the refractive index of WATER?
A1.52
B2.42
C1.33
D1.00
Answer & Solution
Correct answer: C. 1.33
Per NCERT Table 9.3, water n = 1.33. Crown glass n = 1.52; diamond n = 2.42; air ≈ 1.0003.
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