The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n4 = 1.04.)   (a) If ?1 = 24.0°, what is the angle ?2 of the emerging beam?  ° (b) What is the smallest incident angle ?1 to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n4 = 1.04?  °

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
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The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n4 = 1.04.)

 
(a) If ?1 = 24.0°, what is the angle ?2 of the emerging beam?
 °

(b) What is the smallest incident angle ?1 to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n4 = 1.04?
 °
n = 1.60
n = 1.40
n =
1.20
Transcribed Image Text:n = 1.60 n = 1.40 n = 1.20
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