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Question: 

A parallel beam of light containing two wavelengths, $\lambda_1 = 455 \textrm{ nm}$ and $\lambda_2 = 642 \textrm{ nm}$, enters the silicate flint glass of an equilateral prism as shown in Fig.24–59. At what angles, $\theta_1$ and $\theta_2$, does each beam leave the prism (give angle with normal to the face)? See Fig. 24–14.

Problem 20.

Fig 24-59.

Index of refraction as a function of wavelength for various transparent solids.

Figure 24-14 Index of refraction as a function of wavelength for various transparent solids.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$\theta_1 = 68.1^\circ, \theta_2 = 65.3^\circ $

Giancoli 7th Edition, Chapter 24, Problem 20

(5:45)

Chapter 24, Problem 20 is solved.

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