Mirage in other universe...
In alternate universe where laws of physics are different from what they are in our world. Specifically ,Snell’s law for refraction in this alternate universe takes the form n 1tani=n 2tanr where n 1, n 2, i and r have their usual meanings. Refractive indices of different materials remain the same in this universe.
Find conditions of mirage in that universe?
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1 solution
Mirage requires total internal reflection ,i.e. ,r=90◦ .For this, we require i=90◦ ,i.e. ,grazing incidence. For grazing incidence, there is no refraction.
Therefore,TIR,and hence mirage, is not possible in this universe.