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Tuesday, 18-Dec-2007 06:56 Email | Share | Bookmark
::.All ABOUT W O O D.::

< W O O D Pictx TAKEN by Canon A550 >

With C O L O U R :-
Merentasi Suntingan khas oleh KedaiGambar CS2 yang dijanakan oleh Pemikiran yang Radikal (radikel ke pe ek??..haha)


In physics, the word is used more generally to refer to electromagnetic radiation of a single wavelength. In the physical sense, no real source of electromagnetic radiation is purely monochromatic, since that would require a wave of infinite duration. Even sources such as lasers have some narrow range of wavelengths (known as the linewidth or bandwidth of the source) within which they operate. In practice, filtered light, diffraction grating separated light and laser light are all routinely referred to as monochromatic. Often light sources can be compared and one be labeled as "more monochromatic" (in a similar usage as monodispersity). And a device which isolates light sources of a narrow bandwidth are called monochromators, even though the bandwidth is often explicitly specified, and thus a collection of wavelengths is understood.


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