Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Question
Chapter 31, Problem 32A
(a)
To determine
The color that the eye sees.
(a)
Expert Solution
Answer to Problem 32A
Blue color.
Explanation of Solution
Introduction:
A thin film like a soap bubble has two surfaces that are closely spaced. Light reflecting from one surface can cancel out the light reflecting from the other surface.
When the thin film is illuminated with the white light, then after cancelling out one color the other complementary color appears. So, when yellow light is cancelled, the complementary color that appears will be blue.
Conclusion:
So, the color that the eye sees is the blue color.
(b)
To determine
The reason why the color will change when the surface is viewed at a grazing angle.
(b)
Expert Solution
Explanation of Solution
Introduction:
A thin film like a soap bubble has two surfaces that are closely spaced. Light reflecting from one surface can cancel out the light reflecting from the other surface.
When the viewing angle is changed, then the other color will appear because the path length will be changed due to the changed viewing angle. Hence, the longer path length will cancel the
Conclusion:
Hence, the color will change when the viewing angle is changed.
Chapter 31 Solutions
Conceptual Physics: The High School Physics Program
Ch. 31 - What is Huygens' principle?Ch. 31 - a. Waves spread out when they pass through an...Ch. 31 - Does diffraction aid or hinder radio reception?Ch. 31 - Does diffraction aid or hinder the viewing of...Ch. 31 - Is it possible for a wave to be canceled by...Ch. 31 - Prob. 6ACh. 31 - What was Thomas Youngs discovery?Ch. 31 - Prob. 8ACh. 31 - What is a diffraction grating?Ch. 31 - Prob. 10A
Ch. 31 - Prob. 11ACh. 31 - If a soap bubble is thick enough to cancel yellow...Ch. 31 - Why is gasoline that is spilled on a wet surface...Ch. 31 - What is an interferometer, and on what physics...Ch. 31 - Prob. 15ACh. 31 - Prob. 16ACh. 31 - Prob. 17ACh. 31 - Prob. 18ACh. 31 - Prob. 19ACh. 31 - Prob. 20ACh. 31 - Dark and light fringes on the screen are produced...Ch. 31 - Suppose the speakers at an open-air rock concert...Ch. 31 - In our everyday environment, diffraction is much...Ch. 31 - Why do radio waves diffract around buildings while...Ch. 31 - Suppose a pair of loudspeakers a meter or so apart...Ch. 31 - In the preceding question, suggest a path along...Ch. 31 - When monochromatic light illuminates a pair of...Ch. 31 - Seashells, butterfly wings, and the feathers of...Ch. 31 - When Thomas Young performed his interference...Ch. 31 - If you notice the interference patterns of a thin...Ch. 31 - Figure 31.19 shows destructive interference of...Ch. 31 - Prob. 32ACh. 31 - The interference colors seen in soap bubbles are...Ch. 31 - Prob. 34A
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