Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 16, Problem 21CQ
Why do lenses with a reflective coating appear to have a purplish tinge when viewed in reflected light? Explain. (See everyday phenomenon box 16.2.)
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Students have asked these similar questions
The lens of a telescope has a diameter of 25 cm. You are using it to look at two stars that are 2 × 10 17 m away from you and 6 × 10 9 m from each other. You are measuring light with a wavelength of 700 nm. As the light goes through the lens, it diffracts.
a. Is it possible, using this telescope, to see the two stars as separate stars?
b. What is the minimum possible lens diameter you would need in order to resolve these two stars?
Light passes from air (n = 1.0003) into a different material. Data, shown above, is collected for different angles of incidence and refraction. What is the new material?
A. Diamond (n=2.4)
B. Glass (n=1.5)
C. Zircon (n=1.9)
D. Ice (n=1.3)
7. Consider light incident on a boundary between two materials like the figure below. Several
scenarios are listed in the table.
A
B
C
D
E
F
a. For which scenarios (A-F) below is total internal reflection possible?
b. For the scenarios that are possible rank them based on the minimum angle at which
total internal reflection occurs.
Material 1 (n1)
Air (1.00)
Water (1.33)
Diamond (2.42)
Air (1.00)
Benzene (1.50)
Diamond (2.42)
Material 2 (n2)
Water (1.33)
Air (1.00)
Air (1.00)
Quartz (1.46)
Water (1.33)
Water (1.33)
n1
112
Chapter 16 Solutions
Physics of Everyday Phenomena
Ch. 16 - What characteristic of the electromagnetic waves...Ch. 16 - Prob. 2CQCh. 16 - Is it possible for an electromagnetic wave to...Ch. 16 - For which of the following characteristicsspeed,...Ch. 16 - Prob. 5CQCh. 16 - What is the color of light with a wavelength of...Ch. 16 - Prob. 7CQCh. 16 - Prob. 8CQCh. 16 - Prob. 9CQCh. 16 - A color TV uses red, green, and blue phosphors to...
Ch. 16 - Skylight is produced by the scattering of the suns...Ch. 16 - Prob. 12CQCh. 16 - Prob. 13CQCh. 16 - Prob. 14CQCh. 16 - If two waves start out in phase with each other,...Ch. 16 - Prob. 16CQCh. 16 - Prob. 17CQCh. 16 - Prob. 18CQCh. 16 - Prob. 19CQCh. 16 - Prob. 20CQCh. 16 - Why do lenses with a reflective coating appear to...Ch. 16 - Prob. 22CQCh. 16 - Prob. 23CQCh. 16 - Prob. 24CQCh. 16 - Prob. 25CQCh. 16 - Prob. 26CQCh. 16 - Can a wave on a guitar string be polarized?...Ch. 16 - Prob. 28CQCh. 16 - Prob. 29CQCh. 16 - Prob. 30CQCh. 16 - Prob. 31CQCh. 16 - Prob. 32CQCh. 16 - Microwaves used in microwave ovens often have a...Ch. 16 - What is the wavelength of the radio waves from a...Ch. 16 - Prob. 3ECh. 16 - Prob. 4ECh. 16 - Light with a wavelength of 700 nm (7 107 m) is...Ch. 16 - Prob. 6ECh. 16 - An orange fringe produced by double-slit...Ch. 16 - Violet light of 425 nm is reflected from a thin...Ch. 16 - An antireflection coating is designed with a...Ch. 16 - Light with a wavelength of 480 nm (4.8 107 m)...Ch. 16 - Prob. 11ECh. 16 - A diffraction grating has 2200 slits or lines...Ch. 16 - Prob. 13ECh. 16 - When passed through a diffraction grating with a...Ch. 16 - Prob. 1SPCh. 16 - Prob. 2SPCh. 16 - Prob. 3SPCh. 16 - A certain soap film has an index of refraction...
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- 1.What is the refractive index of a material in which light travels at half its speed in a vacuum? 2. Will light change direction toward or away from the perpendicular when it goes from air to water? Water to glass? Glass to air? Why? 3. Explain why an oar that is partially submerged in water appears bent.arrow_forwardDiamond has an index of refraction, n = 2.41. Light will be refracted through diamond at what speed? a. 0.80 x 10^8 m/s b. 1.24 x 10^8 m/s c. 0.72 x 10^8 m/s d. 1.97 x 10^8 m/sarrow_forwardLight that is initially travelling in a layer of diamond is incident on a layer of sapphire as shown in Figure 5. The sapphire layer has thickness T = 3 cm. The angle inside the sapphire is 6, = 50°. When the light reaches a third layer, it experiences total internal reflection. The material of the third layer is unknown. Figure 5 also shows a table with indices of refraction for various materials. Index of Diamond Material Refraction Ice 1.31 Fluorite 1.43 Sapphire Sapphire 1.77 ? Diamond 2.42 Titanium 2.90 Dioxide Figure 5 14. What is the incident angle 8, inside the diamond? a) 8, x 24° b) e, x 34° c) 8, x 44° d) e, x 54° e) 8, x 64° 15. What is the horizontal distance x travelled inside the sapphire? a) x x 6.4 cm b) x x 7.2 cm c) x x 8.6 cm d) x x 9.3 cm e) x x 12.1 cm 16. Which of the following could be the material of the third layer? a) Ice only b) Fluorite only c) Either ice or fluorite d) Titanium dioxide only e) None of the abovearrow_forward
- To focus X rays, such as those collected in the Chandra X–Ray Observatory, it is necessary to use a. a lens. b. a concave glass mirror, such as that used in an optical reflecting telescope. c. a metal dish, such as that used in a radio telescope. d. grazing incidence optics shaped like a converging, hollow tube. e. a mesh of conducting wires.arrow_forward1. A ray of light is incident on a piece of glass at an angle of 45.0°. If the angle of refraction is 25.0°, find a. the refractive index and b. the critical angle. C. Solve (a) and (b) graphically 2. A hollow glass cell is made of thin glass in the form of an equiconcave lens. The radii of the two surfaces are 1.650 cm, and the distance between the two vertices is 1.850 cm. When sealed airtight, this cell is submerged in water of index 1.3330. Calculate a. the focal lengths of each surface and b. the power of each surface. 3. Three lenses with focal lengths of +8.40, -4.60, and +6.20 cm, respectively, are located one behind each other in this order and 2.0 cm apart. a. If parallel light is incident on the first lens, how far behind the third lens will the light be brought to a focus? b. Draw a scale diagram.arrow_forwardA piece of glass (n = 1.51) is surrounded by air. A light ray in the glass is incident onto the surface at 45 degrees. Will the light refract into the air? %3D A. Yes B. Noarrow_forward
- 2. White light is incident from air onto an equiangular triangle prism at a 40.0° angle with respect to the normal. The prism is composed of crystal that has an index of refraction of 1.40 for red light and 1.45 for violet light. Take nair = 1.00 for all wavelengths. a. What is the angular separation of the red and violet ends of the spectrum within the prism?arrow_forward1) After the last week of physics class, you start playing with lasers and your fish tank at home. You shine your laser of wavelength 405 nm through the flat face of the glass (a special glass with n=1.55) aquarium tank at an angle of incidence of 45°. ,a. Your laser outside the tank shines the light beam through the glass and into the water inside the tank. At what angle from the normal does the light enter the water? b. How would this angle change if the tank was made of diamond? c. How would the angle change if the tank was originally made of 20° C ice?arrow_forwardPhysics - Unit: Applications of the Wave Nature of Light Many camera lenses are manufactured with a thin film over the glass to minimizereflection. Using diagrams and words, explain how this anti-reflective coating works.Discuss how the following variations will affect the properties of the anti-reflectivecoating.a. Changing the wavelength of lightb. Changing the angle of incidence of lightarrow_forward
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