Light from a chromatic light source strikes a surface. Seventy percent of the light is reflected and 30% is absorbed. a. What percentage of the light incident on the surface is transmitted? b. What are the reflectance, absorptance, and transmittance values? c. In your opinion, is the surface receiving the light or dark in color? d. Is the surface translucent or opaque?
Light from a chromatic light source strikes a surface. Seventy percent of the light is reflected and 30% is absorbed. a. What percentage of the light incident on the surface is transmitted? b. What are the reflectance, absorptance, and transmittance values? c. In your opinion, is the surface receiving the light or dark in color? d. Is the surface translucent or opaque?
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter11: Temperature And Temperature- Related Variables In Engineering
Section: Chapter Questions
Problem 34P
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Engineering Utilities (Principles of Lighting Design)
1. Light from a chromatic light source strikes a surface. Seventy percent of the light is reflected and 30% is absorbed.
a. What percentage of the light incident on the surface is transmitted?
b. What are the reflectance, absorptance, and transmittance values?
c. In your opinion, is the surface receiving the light or dark in color?
d. Is the surface translucent or opaque?
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