本题目来源于试卷: Physics Unit23: Light and Geometric Optics,类别为 通用国际物理
[单选题]
An optical fiber is 1.0 meter long and has a diameter-k,s8yivn.jm,: 7xij x c (ghz of 20 mm. Its ends aep0*b4eom8 /u k a jvjc(w4p1xre perpendicular to its axis. Its indbpo a8vue*/xjjem0(1 44 kwcp ex of refraction is 1.30. What is the maximum number of reflections a light ray entering one end will make before it emerges from the other end?
A. 42,000
B. 26,000
C. 24,000
D. 18,000
参考答案: A
本题详细解析:
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