The rate of emission R of radiant energy from the surface of a body is proportional to

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The rate of emission R of radiant energy from the surface of a body is proportional to the fourth power of the thermodynamic temperature T. Given that a 25.0-W (the rate of emission) lamp has an operating temperature of 2500 K, what is the operating temperature of a similar 40.0-W lamp?

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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