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PROBLEMS
1. (a) Show that the spectrum of thermal radiation for T = 300K peaks at approximately 10 microns.
(b) At what frequency v does p(v) have its maximum?
(c) Support or refute the statement (from S. Weinberg, The First Three Afintiles Bantam Books, New York, 1977, p. 57) that "the average distance between photons in black-body radiation is roughly equal to the typical photon wavelength.
2. Assuming the classical force F = eE + ev x B acting on a charge e in electric and magnetic fields E and B, respectively, show that the magnetic force is small com. pared to the electric force when the charge has a velocity |v| << c in a plane-wave electromagnetic field.
3. Assume the "spring constants" ks for the binding of electrons in atoms are approximately the same as those for the binding of atoms in molecules. If v 5 x 1014 Hz is a typical electronic oscillation frequency, estimate the range of fre-quencies typical of atomic vibrations in molecules, given typical electron-atom mass differences. Does your estimate indicate that molecular vibrations lie in the infrared region of the spectrum?
Each one of the following sentences contains a clause. In which sentence is the clause used as an adverb?
Given the following information, construct an income statement for the Neiman Marcus Group. Determine if there was a profit or loss in 2009.
Beachside City enacts an ordinance that bans the distribution of all printed materials on city streets. Carl opposes the city’s latest “revenue-enhancing” measure and wants to protest by distributing handbills. In his suit against the city, a cour..
What is the basic difference from institutional and behavioral theories of government?
what are the effects if social media on society
What can corrections today learn from the correctional systems found at the Eastern State and Auburn penitentiaries? It can be argued that the reforms proposed in the First Correctional Congress, held in 1870, still have not been fully implemented in..
interview someone who has lived worked or vacationed in a country other than your own to learn more about gender norms
Computer technology continues to make rapid advances. Health care facilities have used computer programs for administrative functions such as payroll and billing. How do health care facilities use electronic (or computerized) medical records (EMR)..
1.what are the factors that would influence the federal reserve in adjusting the discount rate?2.how does the discount
Research and write a short paper (maximum of two typed pages) on the impact of electric cars on three dimensions of sustainability.
Which of the following is the best example of a construct?
What role did the revaluation play in the origin and perpetuation of judaism
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