An optician directs a laser beam through a transparent medium, toward one surface of an equilateral prism. (The beam travels, and remains in, the plane of the page.) Incident on Surface 1 at an angle e,, the beam then encounters Surface 2 from within the prism. If the angle of incidence at Surface 2 equals 0,, the critical angle for this prism, what is the original incidence angle, 0, (in degrees)? The critical angle in this case is e, = 42.5°. Surface 1 60.0° 42.5° Surface 2 42.50 18.68 What does the critical angle tell you about the ratio of the indices of refraction in the prism and the surrounding medium? Use geometry to determine the angle of refraction that the light undergoes upon entering the prism from above. Then apply Snell's law to compute e,. Double check that your calculator
An optician directs a laser beam through a transparent medium, toward one surface of an equilateral prism. (The beam travels, and remains in, the plane of the page.) Incident on Surface 1 at an angle e,, the beam then encounters Surface 2 from within the prism. If the angle of incidence at Surface 2 equals 0,, the critical angle for this prism, what is the original incidence angle, 0, (in degrees)? The critical angle in this case is e, = 42.5°. Surface 1 60.0° 42.5° Surface 2 42.50 18.68 What does the critical angle tell you about the ratio of the indices of refraction in the prism and the surrounding medium? Use geometry to determine the angle of refraction that the light undergoes upon entering the prism from above. Then apply Snell's law to compute e,. Double check that your calculator
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:An optician directs a laser beam through a transparent medium, toward one surface of an equilateral prism. (The beam travels, and remains in, the plane
of the page.) Incident on Surface 1 at an angle 0,, the beam then encounters Surface 2 from within the prism.
If the angle of incidence at Surface 2 equals e, the critical angle for this prism, what is the original incidence angle, 0, (in degrees)? The critical angle in
c'
this case is 0. = 42.5°.
Surface 1
60.0°
42.50
Surface 2
42.5°
18.68
What does the critical angle tell you about the ratio of the indices of refraction in the prism and the surrounding medium? Use geometry to determine the
angle of refraction that the light undergoes upon entering the prism from above. Then apply Snell's law to compute e,. Double check that your calculator is
in degree mode. °
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