Can two mediums placed under same conditions* ever have same refractive indices? *Pressure, temperature,etc.
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asked Mar 10, 2014 at 17:39
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2 Answers
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While these are at the same temperature and pressure, they're not in the same state, so I'm not sure if you'd be satisfied: glycerin and glass have the same (or at least extremely similar) refractive indices in everyday conditions, which leads to some neat optical effects where glass seems to disappear.
answered Mar 10, 2014 at 18:22
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$\begingroup$ The video which you provide was really helpful. Thanks :) $\endgroup$ Mar 10, 2014 at 18:27
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yes, enantiomers (compounds the molecules of which are mirror images of each other, but not identical) have the same refractive index.
Also, if the question is not limited to pure compounds, two miscible compounds could be mixed to match the refractive index of a third compound to an arbitraily close degree.
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2$\begingroup$ However, as refractive index depends on the wavelength of light, in your second case it might only be possible to achieve the same refractive index at a single colour. $\endgroup$– Dr ChuckMar 10, 2014 at 18:03