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  • A ray of unpolarised light is incident on a glass plate of refractive index 1.54 at polarising angle, then angle of refraction isOption: 1 <img alt="

A ray of unpolarised light is incident on a glass plate of refractive index 1.54 at polarising angle, then angle of refraction is

Option: 1

33^{\circ}


Option: 2

44^{\circ}


Option: 3

57^{\circ}


Option: 4

90^{\circ}


Answers (1)

best_answer

\mathrm{\mu=\tan _{\text {ip }} \text { or }^{\tan _{i p}=1.54} }

\mathrm{\text { i.e., ip }=\tan ^{-1} 1.54=57^{\circ}, }

\mathrm{\text { But } r+i_{p}=90^{\circ} \therefore r=90^{\circ}-i_{p} }

\mathrm{=90^{\circ}-57=33^{\circ} }.

Posted by

Ritika Jonwal

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