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The speed of the yellow light in a certain liquid is 2.4 × 10^8 m/s. Find the refractive index of the liquid.(a) 6.25(b) 5.73(c) 1.25(d) 9.73This question was addressed to me in an interview.My question is from Wave Optics in chapter Wave Optics of Physics – Class 12

Answer»

The CORRECT CHOICE is (c) 1.25

Easy explanation: μ = \(\frac {c}{v_t}\)

μ = 3 × \(\frac {10^8}{2.4}\) × 10^8

μ = 1.25



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