10. A british company makes optical fibers that are 13.6 km in length. If the critical angle for the fibers in air is 42.1°, what is the index of refraction of the fiber material?
10. A british company makes optical fibers that are 13.6 km in length. If the critical angle for the fibers in air is 42.1°, what is the index of refraction of the fiber material?
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how do you do question 10? this is a non graded practice worksheet
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