Plutonium: Difference between revisions

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en>Martylunsford
→‎Toxicity: The reference cited states 200 micrograms, not 200 milligrams.Corrected the text of the article to reflect the data cited in the reference.
en>Binksternet
a great degree of imprecision in death estimates
 
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{{Unreferenced|date=November 2006}}
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In [[electricity and magnetism]], the '''long wavelength limit''' is the [[limiting case]] when the [[wavelength]] is much larger than the system size. This corresponds to the quasi-static case, and reduces to [[electrostatics]] and [[magnetostatics]].
 
The physical criterion is that <math>\lambda >> a</math>, where <math>a</math> is the size of the system. The following statements are all equivalent:
* <math>\lambda >> a</math>
* <math>ka << 1</math>, where <math>k</math> is the [[wave vector]]
* <math>\frac{\omega}{c}a << 1</math>, where <math>\omega</math> is the angular frequency, <math>c</math> is the propagation speed of waves.
 
[[Category:Electromagnetism]]
[[Category:Electrostatics]]
[[Category:Magnetostatics]]

Latest revision as of 09:52, 29 December 2014

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