The critical angle for a medium is 60°. Then refractive index of the medium will be
Physics · JEE Main · NTA Exams — Optics
The critical angle for a medium is 60°. Then refractive index of the medium will be
- \(\sqrt{3} / 2\)
- \(2 / \sqrt{3}\)
- \(\sqrt{2} / 3\)
- \(\sqrt{3}\)
Answer
(B) 2 / 3
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