Light is incident from medium with refractive index \sqrt{2} on medium with refractive index 1. For what angle of incidence the angle of refraction is 90^{\circ} ?

TS EAMCET Medical 30 Jul 2022 Shift 2 Paper

Question : 102 of 160

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Light is incident from medium with refractive index √2 on medium with refractive index 1. For what angle of incidence the angle of refraction is 90∘ ?

45∘
60∘
90∘
30∘

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