Problem a beam of light propagating in glass n152 is, Ask an Expert

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Problem: A beam of light propagating in glass (n=1.52) is incident on an interface with an unknown material. When the incident angle is exactly 62° the all of the light is reflected at this interface, but for smaller angles some light is transmitted.

Part A- What is the index of refraction of the unknown material?

Please, try to give explanation. Thank you.

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Category:- Physics
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