Answered: What is the energy density U/V of a…

What is the energy density U/V of a photon gas at (a) room temperature (T = 295 K), and (b) at a temperature 50 times larger?

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

Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom

Section: Chapter Questions

Problem 43P

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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 energy density U/V of a photon gas at

(a) room temperature (T = 295 K), and

(b) at a temperature 50 times larger?

(a) The energy density U/V of a photon gas at room temperature (T = 295 K) is _____ Jm3

(b) The energy density U/V of a photon gas at a temperature 50 times larger than the room temperature is

________Jm3

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