Fundamentals Of Physics 11th Edition Loose-leaf Print Companion Volume 2 With Wileyplus Card Set
Fundamentals Of Physics 11th Edition Loose-leaf Print Companion Volume 2 With Wileyplus Card Set
11th Edition
ISBN: 9781119463252
Author: David Halliday
Publisher: John Wiley and Sons
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Chapter 44, Problem 38P

Use Wien’s law (see Problem 37) to answer the following questions: (a) The cosmic background radiation peaks in intensity at a wavelength of 1.1mm. To what temperature does this correspond? (b) About 379 000 y after the big bang, the universe became transparent to electromagnetic radiation. Its temperature then was 2970 K. What was the wavelength at which the background radiation was then most intense?

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An extremely long, solid nonconducting cylinder has a radius Ro. The charge density within the cylinder is a function of the distance R from the axis, given by PE (R) = po(R/Ro)², po > 0.
An extremely long, solid nonconducting cylinder has a radius Ro. The charge density within the cylinder is a function of the distance R from the axis, given by PE (R) = po(R/Ro)², po > 0.
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