What is the surface temperature of a star that has a radius m and emits power at a rate of 5.00 x 1026 watts? Assume that the star is an ideal blackbody and that of 7.00 x 108 the temperature of the surrounding region of outer space is 0.000 K. (Hint: o = 5.67 x 10-8 watts/m2K4) a. 5430 K b. 5,050 K C. 6,150 K d. 5820 K e. 5,200 K

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter28: Quantum Physics
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QUESTION 2
What is the surface temperature of a star that has a radius
of 7.00 x 108 m and emits power at a rate of 5.00 x 1026
watts? Assume that the star is an ideal blackbody and that
the temperature of the surrounding region of outer space is
0.000 K. (Hint: o = 5.67 x 10-8 watts/m2K4)
%D
а. 5430 К
b. 5,050 K
С. 6,150 К
d. 5820 K
е. 5,200 K
Transcribed Image Text:QUESTION 2 What is the surface temperature of a star that has a radius of 7.00 x 108 m and emits power at a rate of 5.00 x 1026 watts? Assume that the star is an ideal blackbody and that the temperature of the surrounding region of outer space is 0.000 K. (Hint: o = 5.67 x 10-8 watts/m2K4) %D а. 5430 К b. 5,050 K С. 6,150 К d. 5820 K е. 5,200 K
Expert Solution
Step 1

According to Stefan's Boltzmann law Energy emitted by blackbody per unit area per unit time is proportional to fourth power of temperature

PowerArea=σ×T4where σ is the stefan's constantP=σ×T4×AT4=PA×σ

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