University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Textbook Question
Chapter 33, Problem 33.26E
(a) At what angle above the horizontal is the sun if sunlight reflected from the surface of a calm lake is completely polarized? (b) What is the plane of the electric-field vector in the reflected light?
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A parallel beam of light in air makes an angle of 45.7◦ with the surface of a glass plate having a refractive index of 1.79.
(a) What is the angle between the reflected part of the beam and the surface of the glass?
(b) What is the angle of the refracted part of the beam and the surface of the glass?
(b) A beam of light, with intensity 43 W/m² and polarization parallel to a y axis, is sent into a system of twO
polarizing sheets with polarizing directions at angles of 0, = 70° and e, = 90 to the y axis. What is the
(10,10)
intensity of the light transmitted by the two-sheet system?
In Figure (a) below, unpolarized light is sent into a system of two polarizing sheets. The angles 8₁ and 82 of the polarizing directions of
the sheets are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale in the figure). Angle 8₁
is fixed but angle 82 can be varied. Figure (b) gives the intensity of the light emerging from sheet 2 as a function of 8₂2. (The scale of the
intensity axis is not indicated.) What percentage of the light's initial intensity is transmitted by the two-sheet system when 82 = 100°?
(a)
0
909
89
(b)
180°
Chapter 33 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 33.1 - Some crystals are not isotropic: Light travels...Ch. 33.2 - You are standing on the shore of a lake. You spot...Ch. 33.3 - In which of the following situations is there...Ch. 33.5 - You are taking a photograph of a sunlit office...Ch. 33.7 - Sound travels faster in warm air than in cold air....Ch. 33 - Light requires about 8 minutes to travel from the...Ch. 33 - Sunlight or starlight passing through the earths...Ch. 33 - A beam of light goes from one material into...Ch. 33 - Prob. 33.4DQCh. 33 - Prob. 33.5DQ
Ch. 33 - Devise straightforward experiments to measure the...Ch. 33 - Prob. 33.7DQCh. 33 - Prob. 33.8DQCh. 33 - A ray of light in air strikes a glass surface. Is...Ch. 33 - When light is incident on an interface between two...Ch. 33 - A salesperson at a bargain counter claims that a...Ch. 33 - Does it make sense to talk about the polarization...Ch. 33 - How can you determine the direction of the...Ch. 33 - It has been proposed that automobile windshields...Ch. 33 - When a sheet of plastic food wrap is placed...Ch. 33 - If you sit on the beach and look at the ocean...Ch. 33 - When unpolarized light is incident on two crossed...Ch. 33 - For the old rabbit-ear style TV antennas, its...Ch. 33 - In Fig. 33.31, since the light that is scattered...Ch. 33 - You are sunbathing in the late afternoon when the...Ch. 33 - Light scattered from blue sky is strongly...Ch. 33 - Atmospheric haze is due to water droplets or smoke...Ch. 33 - Prob. 33.23DQCh. 33 - Prob. 33.24DQCh. 33 - Prob. 33.25DQCh. 33 - Prob. 33.1ECh. 33 - BIO Light Inside the Eye. The vitreous humor, a...Ch. 33 - A beam of light has a wavelength of 650 nm in...Ch. 33 - Light with a frequency of 5.80 1014 Hz travels in...Ch. 33 - A light beam travels at 1.94 108 m/s in quartz....Ch. 33 - Prob. 33.6ECh. 33 - A parallel beam of light in air makes an angle of...Ch. 33 - Prob. 33.8ECh. 33 - Light traveling in air is incident on the surface...Ch. 33 - (a) A tank containing methanol has walls 2.50 cm...Ch. 33 - Prob. 33.11ECh. 33 - A horizontal, parallel-sided plate of glass having...Ch. 33 - A ray of light is incident on a plane surface...Ch. 33 - Prob. 33.14ECh. 33 - Section 33.3 Total Internal Reflection 33.15Light...Ch. 33 - A flat piece of glass covers the top of a vertical...Ch. 33 - The critical angle for total internal reflection...Ch. 33 - A beam of light is traveling inside a solid glass...Ch. 33 - A ray of light is traveling in a glass cube that...Ch. 33 - Prob. 33.20ECh. 33 - Prob. 33.21ECh. 33 - The indexes of refraction for violet light ( = 400...Ch. 33 - A narrow beam of white light strikes one face of a...Ch. 33 - A beam of light strikes a sheet of glass at an...Ch. 33 - Unpolarized light with intensity I0 is incident on...Ch. 33 - (a) At what angle above the horizontal is the sun...Ch. 33 - A beam of unpolarized light of intensity I0 passes...Ch. 33 - Light of original intensity I0 passes through two...Ch. 33 - A parallel beam of unpolarized light in air is...Ch. 33 - The refractive index of a certain glass is 1.66....Ch. 33 - A beam of polarized light passes through a...Ch. 33 - Three polarizing filters are stacked, with the...Ch. 33 - Unpolarized light of intensity 20.0 W/cm2 is...Ch. 33 - Three Polarizing Filters. Three polarizing filters...Ch. 33 - A beam of white light passes through a uniform...Ch. 33 - A light beam is directed parallel to the axis of a...Ch. 33 - BIO Heart Sonogram. Physicians use high-frequency...Ch. 33 - In a physics lab, light with wavelength 490 nm...Ch. 33 - Prob. 33.39PCh. 33 - Prob. 33.40PCh. 33 - A ray of light traveling in a block of glass (n =...Ch. 33 - A ray of light traveling in air is incident at...Ch. 33 - A glass plate 2.50 mm thick, with an index of...Ch. 33 - After a long day of driving you take a late-night...Ch. 33 - You sight along the rim of a glass with vertical...Ch. 33 - Prob. 33.46PCh. 33 - A thin layer of ice (n = 1.309) floats on the...Ch. 33 - Prob. 33.48PCh. 33 - Prob. 33.49PCh. 33 - Light is incident normally on the short face of a...Ch. 33 - Prob. 33.51PCh. 33 - Prob. 33.52PCh. 33 - Prob. 33.53PCh. 33 - Prob. 33.54PCh. 33 - Prob. 33.55PCh. 33 - A thin beam of white light is directed at a flat...Ch. 33 - DATA In physics lab, you are studying the...Ch. 33 - Prob. 33.58PCh. 33 - DATA A beam of light traveling horizontally is...Ch. 33 - Prob. 33.60CPCh. 33 - Prob. 33.61CPCh. 33 - First, light with a plane of polarization at 45 to...Ch. 33 - Next unpolarized light is reflected off a smooth...Ch. 33 - To vary the angle as well as the intensity of...
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- What is the physical significance of the Poynting vector?arrow_forwardWhile outdoors on a sunny day, a student holds a large convex lens of radius 4.0 cm above a sheet of paper to produce a bright spot on the paper that Is 1.0 cm in radius, rather than a sharp focus. By what factor is the electric field in the bright spot of light related to the electric field of sunlight leaving the side of the lens facing the paper?arrow_forwardThe Poynting vector describes a flow of energy whenever electric and magnetic fields are present. Consider a long cylindrical wire of radius r with a current I in the wire, with resistance R and voltage V. From the expressions for the electric field along the wire and the magnetic field around the wire, obtain the magnitude and direction of the Poynting vector at the surface. Show that it accounts for an energy flow into the wire from the fields around it that accounts for the Ohmic heating of the wire.arrow_forward
- If the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic field is oscillating along the x-axis, in what possible direction is the wave traveling?arrow_forwardIf a polarizing filter reduces the intensity of polarized light to 50.0% of its original value, by how much are the electric and magnetic fields reduced?arrow_forwardAn unpolarized beam of light is incident on a stack of ideal polarizing filters. The axis of the first filter is perpendicular to the axis of the last filter in the stack. Find the fraction by which the transmitted beams intensity is reduced in the three following cases. (a) Three filters are in the stack, each with its transmission axis at 45.0 relative to the preceding filter. (b) Four filters are in the stack, each with its transmission axis at 30.0 relative to the preceding filter. (c) Seven filters are in the stack, each with its transmission axis at 15.0 relative to the preceding filter. (d) Comment on comparing the answers to parts (a), (b), and (c).arrow_forward
- What angle is needed between the direction of polarized light and the axis of a polarizing filter to cut its intensity in half?arrow_forwardIn Figure (a) below, unpolarized light is sent into a system of three polarizing sheets. The angles 8₁, 82, and 83 of the polarizing directions are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale). Angles 8₁ and 83 are fixed, but angle 82 can be varied. Figure (b) gives the intensity of the light emerging from sheet 3 as a function of 82. (The scale of the intensity axis is not indicated.) What percentage of the light's initial intensity is transmitted by the system when 82 = 34⁰? (a) M 90° (b) 18002arrow_forwardIn Figure (a) below, unpolarized light is sent into a system of three polarizing sheets.The angles 8₁, 82, and 83 of the polarizing directions are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale). Angles 8₁ and 83 are fixed, but angle 82 can be varied. Figure (b) gives the intensity of the light emerging from sheet 3 as a function of 82. (The scale of the intensity axis is not indicated.) What percentage of the light's initial intensity is transmitted by the three-sheet system when 82 = 92°? 60° (a) (b) 120° 180-2arrow_forward
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