Question

the refractive index of glass with respect to air is 3by2 and refractive index of water with respect to air is 4 bt 3 .What will be the refractive index of water with respect to glass?
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Answer 1

Answer:

8/9

Explanation:

We are asked the refractive index of water with respect to glass

for the ration of refractive indices are as below

refractive index of water

refractive index of glass

4/3 ÷ 3/2

4 X 2 / 3 X 3

8 / 9