Concept explainers
The value of
Answer to Problem 98A
The value of
Explanation of Solution
Given info:
The Snell’s law of refraction is
Calculation:
Assume that the light rays are parallel and straight beam of light and the medium in which the light enters is an isotropic medium.
Consider the substance 1 be air.
The angle of incidence must be in air.
Hence, the index of refraction of medium 1,
Consider the index of refraction ofmedium 2,
Apply Snell’s law of refraction as follows:
Hence, the value of
Restriction:The Snell’s law is not applicable when the light ray isincident normal to the surface of the medium as both the angle of incidence and angle of refraction is zero.
Chapter 18 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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