Physics, 05.06.2021 23:00, averycipher

A fiber-optic rod consists of a central strand of material surrounded by an outer coating. The interior portion of the rod has an index of refraction of 1.97. If all rays striking the interior walls of the rod with incident angles greater than 50.4° are subject to total internal reflection, what is the index of refraction of the coating?

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A fiber-optic rod consists of a central strand of material surrounded by an outer coating. The inter...