In chapter 3 of Vibrations and Waves by French, there is a description about the equations of motion of a mass-spring system. It was written as shown in the attached picture:
Here, m is the mass on the spring, k is the spring constant, x is the extension of the spring, and t is time. My...
The following are 3 equations of Planck's law or Planck's distribution function. Are they all correct? How do they derive from each other?
Equation One:
From page 512 of http://metronu.ulb.ac.be/npauly/art_2014_2015/shockley_1961.pdf
We denote by Qs the number of quanta of frequency greater...
How do we integrate this function? It is possible if the range is from 0 to infinity, but from xg to infinity? This equation comes from page 512 of the 1961 paper by William Shockley and Hans J. Queisser.
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I graduated from Nanyang Technological University in 2001 with a Honours Bachelor of Engineering in Electrical and Electronics majoring in Computer Engineering. I did my MBA from 2003-2008 with U21Global. Now, I work as an admin in a small company. When I have time, I do...