Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 13, Problem 9RQ
Why does a setting Sun often appear elliptical instead of round?
Expert Solution & Answer
Solution
To determine: The reason for the setting Sun that appears elliptical instead of round
Answer:
The sun appears elliptical instead of round during sunset due to the refraction phenomena.
Explanation:
In the atmosphere there are various gases and particles are present in unequal composition, which makes the atmosphere having different densities. So the light ray comes from Sun refracted due to varying density of atmosphere.
The setting sun appears elliptical instead of round because of the varying density of the atmosphere. The light coming from the upper and lower part of the Sun, bends unequally due to this varying atmosphere. Hence, resulting the Sun looking elliptical instead of round during sunset.
Conclusion:
Therefore, the sun appears elliptical instead of round during sunset due to the refraction phenomena.
Chapter 13 Solutions
Conceptual Physical Science Explorations
Ch. 13 - How do the speeds of various electromagnetic waves...Ch. 13 - Prob. 2RQCh. 13 - In what region of electromagnetic spectrum is the...Ch. 13 - Prob. 4RQCh. 13 - How does the average speed of light in glass...Ch. 13 - Relative to the distance of an object in front of...Ch. 13 - Prob. 7RQCh. 13 - What is the angle between ray of light and its...Ch. 13 - Why does a setting Sun often appear elliptical...Ch. 13 - What produces the wavy effect in air over a hot...
Ch. 13 - Which has the higher frequency, red light or blue...Ch. 13 - Prob. 12RQCh. 13 - What is the color of the peak frequency of solar...Ch. 13 - Why are red, green, and, and blue called the...Ch. 13 - Prob. 15RQCh. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Prob. 18RQCh. 13 - Why does the Sun look reddish at sunrise and...Ch. 13 - Prob. 20RQCh. 13 - A top view of wheels from a toy cart rolled from a...Ch. 13 - Prob. 2TCCh. 13 - Which waves have the longest wavelength: light...Ch. 13 - Is glass transparent or opaque to frequencies of...Ch. 13 - Prob. 3TECh. 13 - An eye at point P looks into the mirror. Which of...Ch. 13 - On a steamy mirror, wipe away just enough to see...Ch. 13 - Hold a pocket mirror at almost arms length from...Ch. 13 - Prob. 8TECh. 13 - Which kind of road surface is easier to see when...Ch. 13 - Prob. 10TECh. 13 - Peter Hopkinson stands astride a large mirror and...Ch. 13 - What color besides white is common on today...Ch. 13 - A spotlight that has a white-hot filament is...Ch. 13 - Below is a photo of science author Suzanne with...Ch. 13 - Complete the following equations: Yellow light +...Ch. 13 - If the sky were composed of atoms that...Ch. 13 - Comment on the statement, Oh, that beautiful red...Ch. 13 - Prob. 19TECh. 13 - Prob. 20TECh. 13 - If you take a photo of your image in a plane...Ch. 13 - If you walk towards a mirror at 2m/s, how fast do...Ch. 13 - No glass is perfectly transparent. Consider a pane...Ch. 13 - Prob. 1RATCh. 13 - Prob. 2RATCh. 13 - Window glass is normally transparent to (a)...Ch. 13 - The law of reflection applies to (a) light. (b)...Ch. 13 - To see your full image in a mirror on the wall,...Ch. 13 - When light refracts, there is a change in (a)...Ch. 13 - Prob. 7RATCh. 13 - Prob. 8RATCh. 13 - Prob. 9RATCh. 13 - The redness of a sunset is due to light that (a)...
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