The index of refraction of the core of a piece of fiber optic cable is 1.72. If the index of the urrounding cladding is 1.41, what is the critical angle for total internal reflection for a light ray n the core incident on the core-cladding interface? a 55.1° b 44.0⁰ € 49.6°

The index of refraction of the core of a piece of fiber optic cable is 1.72. If the index of the urrounding cladding is 1.41, what is the critical angle for total internal reflection for a light ray n the core incident on the core-cladding interface? a 55.1° b 44.0⁰ € 49.6°

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 16P

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Concept explainers

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as:

Question

The index of refraction of the core of a piece of fiber optic cable is 1.72. If the index of the
surrounding cladding is 1.41, what is the critical angle for total internal reflection for a light ray
in the core incident on the core-cladding interface?
a 55.1°
b 44.0⁰
c 49.6°
d 60.6°

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