Q

Media 1, 2 and 3 have refractive indices 1.46, 1.65 and 1.31, and light speeds v₁, v₂ and v₃. Which relation is correct?

RRB Group-D 30/08/2022 / Shift-I 2022
✓ Answer: A v₃ > v₁ > v₂
Light speed is inversely proportional to refractive index, so v₃ > v₁ > v₂.
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