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The core of an optical fiber has an index of refraction of 1.29, while the index of refraction of the cladding surrounding the core is 1.19. What is the critical angle for total internal reflection at the core-cladding interface?
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Question: The potential difference between the plates of a parallel plate capacitor is 35V and the electric field between the plates has a strength of 750V/m. If the plate area is 4.0 x 10 -2 m 2 , what is the capacitan ...
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