# physics

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If the refractive index of air to glass is 1.52 and air to water is 1.33, find the density of the glass if density of water is 1g/cm^3

• physics -

This question is nonsense for two reasons:
(1) Refractive index is a property of ONE medium, not the two media at an interface.

(2) You cannot use the refractive index to compute density or vice versa.

What they should have said is that 1.33 is the refractive index of water and 1.52 is the index of one type of glass they are talking about. Glass can have a wide variety of refractive indices.

You cannot infer density from the information provided. Tell that to your teacher.

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