1. The temperature of stars in the universe varies with the type of star and the age of the star among other things. By looking at the shape of the spectrum of light emitted by a star, we can tell something about its average surface temperature.a. If we observe a star's spectrum and find that the peak power density occurs at the border between red and infrared light, what is the approximate surface temperature of the star? (Remember to include units)Incorrectb. If we observe a star’s spectrum and find that the peak power density occurs at the border between blue and ultraviolet light, what is the surface temperature of the star? (Remember to include units)IncorrectSubmit QuestionQuestion 1 1. The temperature of stars in the universe varies with the type of star and the age of the star among otherthings. By looking at the shape of the spectrum of light emitted by a star, we can tell something about itsaverage surface temperature.a. If we observe a star's spectrum and find that the peak power density occurs at the border betweenred and infrared light, what is the approximate surface temperature of the star? (Remember toinclude units)3715Kb. If we observe a star's spectrum and find that the peak power density occurs at the border betweenblue and ultraviolet light, what is the surface temperature of the star? (Remember to include units)7000 K

We use Weins displacement law, λpeakT=2.838×10-3

Answered: 1. The temperature of stars in the…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 31PE: Suppose a star 1000 times brighter than our Sun (that is, emitting 1000 times the power) suddenly...

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1. The temperature of stars in the universe varies with the type of star and the age of the star among other things. By looking at the shape of the spectrum of light emitted by a star, we can tell something about its average surface temperature.

a. If we observe a star's spectrum and find that the peak power density occurs at the border between red and infrared light, what is the approximate surface temperature of the star? (Remember to include units)
Incorrect

b. If we observe a star’s spectrum and find that the peak power density occurs at the border between blue and ultraviolet light, what is the surface temperature of the star? (Remember to include units)
Incorrect

Submit QuestionQuestion 1

1. The temperature of stars in the universe varies with the type of star and the age of the star among other
things. By looking at the shape of the spectrum of light emitted by a star, we can tell something about its
average surface temperature.
a. If we observe a star's spectrum and find that the peak power density occurs at the border between
red and infrared light, what is the approximate surface temperature of the star? (Remember to
include units)
3715K
b. If we observe a star's spectrum and find that the peak power density occurs at the border between
blue and ultraviolet light, what is the surface temperature of the star? (Remember to include units)
7000 K

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