Consider a laser beam incident from a medium with indexn1 = 1.5 onto another medium with index n2 = 1.4. For safetypurposes, the laser beam should not propagate inside the medium with index n3 = 1.33. For what values of e1 will the light be totally internally reflected at the interface n2-n3?

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter38: Refraction And Images Formed By Refraction
Section: Chapter Questions
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Consider a laser beam incident from a medium with indexn1= 1.5 onto another
medium with index n2 = 1.4. For safetypurposes, the laser beam should not
propagate inside the medium with index n3 = 1.33. For what values of 01 will the
light be totally internally reflected at the interface n2-n3?
n2 = 1.4
n3 = 1.33
n1 = 1.5
O 01 < 20.1°
01 < 19.4°
01 < 36.8°
01 < 16.9*
O e1 < 21.1°
Transcribed Image Text:Consider a laser beam incident from a medium with indexn1= 1.5 onto another medium with index n2 = 1.4. For safetypurposes, the laser beam should not propagate inside the medium with index n3 = 1.33. For what values of 01 will the light be totally internally reflected at the interface n2-n3? n2 = 1.4 n3 = 1.33 n1 = 1.5 O 01 < 20.1° 01 < 19.4° 01 < 36.8° 01 < 16.9* O e1 < 21.1°
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