An optical fiber is 1.00 meter long and has a diameter of 20.0 $\mu$m. Its ends are perpendicular to its axis. Its index of refraction is 1.30. What is the minimum number of reflections a light ray entering one end will make before it emerges from the other end? A) 2.85 × 10⁵ B) 2.56 × 10⁵ C) 2.42 × 10⁵ D) 1.85 × 10⁵ E) 2.02 × 10⁵

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The Answer of An optical fiber is 1.00 meter long and has a diameter of 20.0 $\mu$m. Its ends are perpendicular to its axis. Its index of refraction is 1.30. What is the minimum number of reflections a light ray entering one end will make before it emerges from the other end? A) 2.85 × 10⁵ B) 2.56 × 10⁵ C) 2.42 × 10⁵ D) 1.85 × 10⁵ E) 2.02 × 10⁵

An Optical Fiber Is 1 μ\muμ M Its Ends Are Perpendicular to Its Axis

An Optical Fiber Is 1 $\mu$ M Its Ends Are Perpendicular to Its Axis