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Obtain the relation between the refractive index of the second medium with respect to the first medium and the refractive index of the first medium with respect to the second medium. |
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Answer» Let v1 = speed of light in the first medium, v2 = speed of light in the second medium, 2n1 = refractive index of the second medium With respect to the first medium and 1n2 = refractive index of the first medium with respect to the second medium. By definition, 2n1 = \(\frac{v_1}{v_2}\) and 1n2 = \(\frac{v_2}{v_1}\) Hence, 1n2 = \(\frac{1}{_2n_1}\) (OR) 1n2 × 2n1 = 1. |
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