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What is the rate of thermal radiation emitted from a star with a radius of 2.310 x 109 m and a surface temperature of 8,420 K? Assume that the spherical surface behaves as a blackbody radiator

Stars and Galaxies (MindTap Course List)

10th Edition

ISBN:9781337399944

Author:Michael A. Seeds

Publisher:Michael A. Seeds

Chapter7: Atoms And Spectra

Section: Chapter Questions

Problem 5P

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Concept explainers

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?

Question

What is the rate of thermal radiation emitted from a star with a radius of 2.310 x 109 m and
a surface temperature of 8,420 K? Assume that the spherical surface behaves as a blackbody radiator.
[Surface Area of a sphere = 4rr?: Area of a circle = Mr? or (Tt/4)d21

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