The refractive indices of glass and water with respect to air are $\frac{3}{2}$ respectively. The refractive index of glass with respect to water will be ______.

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The refractive indices of glass and water with respect to air are $\frac{3}{2}$ respectively. The refractive index of glass with respect to water will be bbunderline($\frac{9}{8}$). Explanation: Given: Refractive index of glass w.r.t. air, (n_(ag) = $\frac{3}{2}$) Refractive index of water w.r.t. air, (n_(aw) = $\frac{4}{3}$) The refractive index of glass with respect to water is: n_(wg) = n_(ag")/n_(aw) = ($\frac{3}{2}$)/($\frac{4}{3}$) = $\frac{3}{2}$ xx $\frac{3}{4}$ = $\frac{9}{8}$

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