Answered: At a wavelength of 0.7 mm, the black…

At a wavelength of 0.7 mm, the black body emissive power is equal to 108 W/m3. Determine (a) the temperature of the blackbody and (b) the total emissive power at this temperature.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Quantum Physics

Section: Chapter Questions

Problem 6P

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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

At a wavelength of 0.7 mm, the black body emissive
power is equal to 108 W/m3. Determine (a) the temperature
of the blackbody and (b) the total emissive power at this temperature.

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