Answer to Question #263673 in Physics for Karisa

Question #263673

Light is reflected from a glass coffee table. When the angle of incidence is 60.20, the reflected light is completely polarized parallel to the surface of the glass. What is the index of refraction of the glass?


1
Expert's answer
2021-11-15T10:33:51-0500

The words "completely polarized parallel to the surface of the glass" mean that the total internal reflection occurred:


sinθc=1/n, n=1/sinθc=1/sin62°=1.13.\sin\theta_c=1/n,\\\space\\n=1/\sin\theta_c=1/\sin62°=1.13.


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