Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 7.1, Problem 3SC
To determine
The dominant part in the spectrum of sunlight before it travels through Earth's atmosphere.
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A high-altitude airplane is used to make observations
a.
at gamma-ray wavelengths.
b.
at X-ray wavelengths.
c.
in the ultraviolet.
d.
in the infrared.
1. A sphere of surface area 100 m and temperature 500 K radiates 0.2 MW. Calculate:
a. The emissivity of the surface.
b. The peak wavelength of radiation emitted.
C. The intensity at a distance of 100m from the centre.
d. The energy absorbed per second by a 2m disc with albedo 0.6 placed with it's plane
perpendicular to the direction of the radiation.
e. The temperature of the disc when it reaches equilibrium (emissivity of the disc = 1).
P= eAoT
A = 0.00289/T
G- 5.67 x 10* Wm°K*
Page 1 1 1
Q +
Space-based telescopes are needed to observe electromagnetic energy that cannot reach the surface of Earth. The regions of the electromagnetic energy spectrum that do reach Earth’s surface pass through what are referred to as
a.
atmospheric windows.
b.
atmospheric portals.
c.
electromagnetic openings.
d.
extreme wavelengths.
e.
visible and radio waves.
Chapter 7 Solutions
Integrated Science
Ch. 7.1 - Prob. 1SCCh. 7.1 - Prob. 2SCCh. 7.1 - Prob. 3SCCh. 7.2 - Prob. 4SCCh. 7.2 - Prob. 5SCCh. 7.2 - Prob. 6SCCh. 7.2 - Prob. 7SCCh. 7.3 - Prob. 8SCCh. 7.3 - Prob. 9SCCh. 7.4 - Prob. 10SC
Ch. 7.4 - Prob. 11SCCh. 7.5 - Prob. 12SCCh. 7 - What determines if an electromagnetic wave emitted...Ch. 7 - Prob. 2CQCh. 7 - Prob. 3CQCh. 7 - Prob. 4CQCh. 7 - Prob. 5CQCh. 7 - Prob. 6CQCh. 7 - Prob. 7CQCh. 7 - Prob. 8CQCh. 7 - Prob. 9CQCh. 7 - Prob. 10CQCh. 7 - Prob. 11CQCh. 7 - Prob. 12CQCh. 7 - Prob. 13CQCh. 7 - Prob. 14CQCh. 7 - Prob. 15CQCh. 7 - Prob. 16CQCh. 7 - Prob. 17CQCh. 7 - Prob. 18CQCh. 7 - Prob. 1PEACh. 7 - Prob. 2PEACh. 7 - Prob. 3PEACh. 7 - Prob. 4PEACh. 7 - Prob. 5PEACh. 7 - Prob. 6PEACh. 7 - Prob. 7PEACh. 7 - Prob. 8PEACh. 7 - Prob. 9PEACh. 7 - Prob. 10PEACh. 7 - Prob. 1PEBCh. 7 - Prob. 2PEBCh. 7 - Prob. 3PEBCh. 7 - Prob. 4PEBCh. 7 - Prob. 5PEBCh. 7 - Prob. 6PEBCh. 7 - Prob. 7PEBCh. 7 - Prob. 8PEBCh. 7 - Prob. 9PEBCh. 7 - Prob. 10PEB
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