The emissivity of an object is 0.50. (a) Compared with a perfect blackbody at the same temperature,

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The emissivity of an object is 0.50.
(a) Compared with a perfect blackbody at the same temperature, this object would radiate (1) more power, (2) the same amount of power, (3) less power. Why?
(b) Calculate the ratio of the power radiated by the blackbody to that radiated by the object.
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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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