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Define absolute refractive index . Absolute refractive index of medium a and medium b are n and nb respectively what is the refactive index of medium b with respect5 to medium a |
| Answer» E REFRACTIVE index of a medium is defined as the ratio of the VELOCITY of light in vacuum to the velocity of light in the medium. If C is the velocity of light in vacuum and v in the medium, then n = c/v.If $n_{a}$ and $n_{b}$ are the absolute refractive indices of the medium A and B respectively, then$n_{a}$ = c/$v_{a}$ and $n_{b}$ = c/$v_{b}$, then | |