Solved: Use Wien s law see Problem 37 to answer the following

Solved: Use Wien s law see Problem 37 to answer the following
Use Wien’s law (see Problem 37) to answer the following questions: (a) The cosmic background radiation peaks in intensity at a wavelength of 1.1 mm. 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? View Solution:
Solved: Use Wien s law see Problem 37 to answer the following