College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 25, Problem 24PE
Suppose you are using total internal reflection to make an efficient corner reflector. If there is air outside and the incident angle is 45.0°, what must be the minimum index of refraction of the material from which the reflector is made?
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Chapter 25 Solutions
College Physics
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- Consider a layer of oil, Glass, and Air where the oil/glass boundary is parallel to the glass/air boundary. Let the index of refraction for the glass be 1.40 and the index of refraction for the oil to be 1.34. At what angle relative to the normal should a ray of light be directed upon the oil/glass interface such that it strikes the glass/air interface at the critical angle?arrow_forwardThe critical angle for a total internal reflection at air and glass interface is 39.0°. What is the speed of light in this glass? (c = 3.00×108 m/s)arrow_forwardA light ray is incident at an angle x on the top surface of a block of plastic with n = 1.49. Find the maximum value of x for which the refracted ray undergoes total internal reflection at point P at the left vertical interface of the block. Assume the block is immersed in water (nWATER = 1.33 ).arrow_forward
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- What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.52) is 25 degrees?arrow_forwardLight enters at right angle through one of the catheti of a right-angle isosceles prism which is made of glass with an index of refraction of 1.620. Because the angle of the ray with the normal when entering into the glass is zero, the ray passes straight through and strikes the interior of the hypotenuse of the prism. What is the largest value for the index of refraction of the surrounding medium which would still cause total internal reflection inside the prism?arrow_forwardA ray of white light traveling through air enters a block of glass that has an index of refraction of 1.44 for the red end of the spectrum and 1.46 for the violet end. If the ray has an angle of incidence of 60.0 degrees with respect to the normal of the interface boundary, what's the angular separation between the red and violet ends of the spectrum within the glass?arrow_forward
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