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If the absolute refractive indices of g...

If the absolute refractive indices of glass and water are 3/2 and 4/3 respectively, what is the refractive index of glass with respect to water ?

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`n_(g) = c/(v_(g)) , n_(w) = c/v_(w) , ._(g)n_(w) = (v_(w))/(v_(g))`
` therefore _(g)n_(w) = n_(g)/n_(w)`
` = (3//2)/(4//3) = (3 xx 3)/( 4xx 2) = 9/8`
This is the refractive of glass with respect to water .
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