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Data is carried by pulses of light through long, transparent fibers—fiber optic cables. Long lengths of...

Data is carried by pulses of light through long, transparent fibers—fiber optic cables. Long lengths of fiber carry signals 100 km between amplifier stations. How long does it take a signal to travel this distance if the index of refraction of the fiber is 1.45?

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Speed of the signal: V=-=3x1 n 1.45 -1.07x10% m/s , Time taken: D 100 10483.1x10 sec -6 2.07x10 t483.1us 0.483 ms

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