The refractive index of water with respect to air is $\frac{4}{3}$ and the refractive index of glass with respect to air is $\frac{3}{2}$. What is the refractive index of glass with respect to water?

  • A
    $\frac{9}{8}$
  • B
    $\frac{8}{9}$
  • C
    $\frac{1}{2}$
  • D
    $\frac{2}{1}$

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