Answered: What is the temperature of an object if…

What is the temperature of an object if the peak wavelength of its blackbody spectrum is 1200 micrometers? a. 2.4 K b. 25 K с. 322 K d. 833 K e. None of these

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 4C

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Concept explainers

Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.

Question

6. What is the temperature of an object if the peak wavelength of its blackbody
spectrum is 1200 micrometers?
a. 2.4 K
b. 25 K
С. 322 К
d. 833 K
e. None of these
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1. Our eyes are most sensitive to light with a wavelength of 550nm. Find the temperature of a black-body radiator whose radiation is most visible to the eye.
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