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What Is the Speed of Light in an Optical Fiber

Question 30

Multiple Choice

What is the speed of light in an optical fiber whose index of refraction is 1.265?

A) 1.539 * 10⁸ m/s
B) 1.828 * 10⁸ m/s
C) 2.372 * 10⁸ m/s
D) 2.651 * 10⁸ m/s

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