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tankster tankster
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7 years ago
How much power does a sphere with a radius of 10 cm radiate if is has an emissivity e = 1.0 and is kept at a temperature of 400 K? The Stefan-Boltzmann constant is 5.67 x 10-8 W/(m2•K4).
A) 60 W
B) 70 W
C) 180 W
D) 210 W
E) 360 W
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Physics

Physics


Edition: 4th
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Raj.SRaj.S
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