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JEE Main Physics Class 12 Wave Optics Part 1 Questions

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Question : 42

Total: 100

Consider a tank made of glass (refractive index 1.5) with a thick bottom. It is filled with a liquid of refractive index µ. A student finds that, irrespective of what the incident angle i (see figure) is for a beam of light entering the liquid, the light reflected from the liquid glass interface is never completely polarized. For this to happen, the minimum value of µ is:

[9 Jan. 2019 I]

√
5
3
3
√5
5
√3
4
3

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