Question:
b A 100 m long optical fiber having a core diameter of 20 m
Last updated: 6/14/2023
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b A 100 m long optical fiber having a core diameter of 20 m and refractive index of 1 55 is used in signal transmission If a ray of light is incident on one end of the optical fiber at an angle of 40 how many reflections does it undergo to reach the other end