Modified Mastering Physics With Pearson Etext -- Standalone Access Card -- For Essential University Physics (3rd Edition)
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ISBN: 9780133857221
Author: Richard Wolfson
Publisher: PEARSON
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Chapter 30, Problem 19E
Light propagating in the glass (n = 1.52) wall of an aquarium tank strikes the wall's interior surface with incidence angle 12.4°. What’s the angle of refraction in the water?
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Light in air (n1 = 1.00) enters a liquid at an angle of incidence θ1 = 73.9° relative to the normal. The light transmitted through the liquid is refracted to an angle of θ2 = 35.2°. What is the index of refraction (n2) of the liquid?
An optical fiber made of glass with an index of refraction 1.50 is coated with a plastic with index of refraction 1.30. What is the critical angle of this fiber at the glass-plastic interface?
A glass (n=1.50) tank is filled with a liquid that has an index of refraction of n=1.90. If a beam of light starts inside the liquid and is aimed at the tank walls, beyond what critical angle will the light experience only total internal reflection?
a) 37.9 degrees
b) 41.8 degrees
c) 48.2 degrees
d) 52.1 degrees
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- Light traveling in a medium of index of refraction n1 is incident on another medium having an index of refraction n2. Under which of the following conditions can total internal reflection occur at the interface of the two media? (a) The indices of refraction have the relation n2 n1. (b) The indices of refraction have the relation n1 n2. (c) Light travels slower in the second medium than in the first. (d) The angle of incidence is less than the critical angle. (e) The angle of incidence must equal the angle of refraction.arrow_forwardAt what angle is light inside crown glass completely polarized when reflected from water, as in a fish tank?arrow_forwardAt what angle should a ray of light be incident on the face of a prism of refracting angle 60° so that it just suffers total internal reflection at the other face? The refractive index of the material of the prism is 1.524arrow_forward
- A block of glass has an index of refraction equal to n_g=1.68. The glass is surrounded by oil which has an index of refraction of n_o=1.28. What is the largest incident angle (deg) possible in the glass before the ray undergoes total internal reflection?arrow_forwardWhat is the critical angle for light going from a material with an index of refraction 1.91 into a material with and index of refraction 1.37?arrow_forwardA light propagates in Material 1 with index of refraction n1 = 1.13, strikes an interface, then passes into Material 2 with an index of refraction n2 = 1.41. The angle of incidence at the interface is 27.5. Determine the angle of refractionarrow_forward
- The glass core of an optical fiber has index of refraction 1.60. The index of refraction of the cladding is 1.48. What is the maximum angle between a light ray and the wall of the core if the ray is to remain inside the core?arrow_forwardA ray of light strikes the midpoint of one face of an equiangular (60°–60°–60°) glass prism (n = 1.5) at an angle of incidence of 31.4°. (a) Trace the path of the light ray through the glass, and find the angles of incidence and refraction at each surface.First surface: ?incidence = ° ?refraction = ° Second surface: ?incidence = ° ?refraction = ° (b) If a small fraction of light is also reflected at each surface, find the angles of reflection at the surfaces. ?reflection = ° (first surface) ?reflection = ° (second surface)arrow_forwardLight is traveling through ethyl alcohol and the incident upon a diamond at an angle of 70° with respect to the normal line. The indices of refraction of ethyl alcohol and diamond are n (ethyl alcohol)-1.36 and n_diamond-2.41 respectively.arrow_forward
- A beam of light travels from air (n = 1) to water (n = 1.33) to acrylic (n = 1.5). If theangle of incidence from air to water is 60 degrees, determine the angle of the lightentering the acrylic.arrow_forwardA ray of light strikes the midpoint of one face of an equiangular (60°–60°–60°) glass prism (n = 1.5) at an angle of incidence of 34.0°. (a) Trace the path of the light ray through the glass, and find the angles of incidence and refraction at each surface.First surface: ?incidence = ?refraction = Second surface: ?incidence = ?refraction = (b) If a small fraction of light is also reflected at each surface, find the angles of reflection at the surfaces. (first surface) ?reflection (second surface) ?reflectionarrow_forwardAn aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon disulfide (n = 1.628). If the angle of incidence into the water from the air is 30°, what is the angle of refraction into the carbon disulfide?arrow_forward
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Laws of Refraction of Light | Don't Memorise; Author: Don't Memorise;https://www.youtube.com/watch?v=4l2thi5_84o;License: Standard YouTube License, CC-BY