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A Fiber Optic Cable Consists of a Glass Core Surrounded

Question 33

Multiple Choice

A fiber optic cable consists of a glass core surrounded by a layer of material called the cladding further surrounded by a protective cover as shown in the drawing above.If the index of refraction of the core is n1 = 1.50 and the index of refraction of the cladding is n2 = 1.20,what is the critical angle (in degrees) for total internal reflection for light traveling in the core? A fiber optic cable consists of a glass core surrounded by a layer of material called the cladding further surrounded by a protective cover as shown in the drawing above.If the index of refraction of the core is n1 = 1.50 and the index of refraction of the cladding is n2 = 1.20,what is the critical angle (in degrees) for total internal reflection for light traveling in the core? A) 17.0 B) 22.6 C) 30.0 D) 39.9 E) 53.1


A) 17.0
B) 22.6
C) 30.0
D) 39.9
E) 53.1

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