abbeymorris171 abbeymorris171

07-06-2023
Physics

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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. 55. If all rays striking the interior walls of the rod with incident angles greater than 59. 5° are subject to total internal reflection, what is the index of refraction of the coating?

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