(a) Explanation Given info: The angle of incidence is 45 ° . Explanation: The formula to calculate the Snell’s law is, n 1 sin θ i = n 2 sin θ r Here, n 1 is the refractive index of air. n 2 is the refractive index of sphere. θ i is the angle of incidence. θ r is the angle of refraction. Rearrange the above formula for n 2 . n 1 sin θ 1 = n 2 sin θ 2 n 2 = n 1 sin θ 1 sin θ 2 From the above figure, the angle of refraction is half of the angle of incidence (b) To determine whether the index of refraction is finite that will make the three beams come to a focus at the centre of sphere or not.

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ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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Chapter 26, Problem 95GP

(a)

To determine

The index of refraction of the sphere.

(b)

To determine

whether the index of refraction is finite that will make the three beams come to a focus at the centre of sphere or not.

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Chapter 26, Problem 94GP

Chapter 26, Problem 96GP

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Chapter 26 Solutions

Physics (5th Edition)

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The index of refraction of the sphere.

Solution Summary: The formula to calculate the Snell's law is, n_1 is the retive index of air.

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The index of refraction of the sphere.

whether the index of refraction is finite that will make the three beams come to a focus at the centre of sphere or not.

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Chapter 26 Solutions