The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n4 = 1.10.) (a) If θ1 = 32.0°, what is the angle θ2 of the emerging beam? ° (b) What is the smallest incident angle θ1 to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n4 = 1.10? °

The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n4 = 1.10.) (a) If θ1 = 32.0°, what is the angle θ2 of the emerging beam? ° (b) What is the smallest incident angle θ1 to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n4 = 1.10? °

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 104PQ

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Question

The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n₄ = 1.10.)

(a) If θ₁ = 32.0°, what is the angle θ₂ of the emerging beam?
°

(b) What is the smallest incident angle θ₁ to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n₄ = 1.10?
°

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