Find maximum angle light ray can make with the wall
The glass core of an optical fiber has an index of refraction 1.60. The index of refraction of the cladding is 1.49. What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?
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The index of refraction of the cladding is 1.49. What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?
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