Electromagnetic spectrum: Difference between revisions
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All electromagnetic radiation can be described in terms of its [[Energy]], [[frequency]] or [[wavelength]]. These properties are all related by the following equations: | All electromagnetic radiation can be described in terms of its [[Energy]], [[frequency]] or [[wavelength]]. These properties are all related by the following equations: | ||
:<math>\lambda = \frac{c}{f} \,\!</math> | :<math>\lambda = \frac{c}{f} \,\!</math> , | ||
:<math>E=hf \,\!</math> , | |||
where c = 299,792,458 m/s (the [[speed of light]]) and h = 6.626 x 10<sup>-34</sup> Js ([[Planck's constant]]) | |||
Revision as of 13:03, 9 August 2007
The Electromagnetic Spectrum is the name given to the range of Electromagnetic radiation covering all frequencies and wavelengths. It includes radio and TV transmission, Microwaves, Infrared, visible light, Ultraviolet, X-rays, and Gamma rays.
Electromagnetic radiation
All electromagnetic radiation can be described in terms of its Energy, frequency or wavelength. These properties are all related by the following equations:
- ,
- ,
where c = 299,792,458 m/s (the speed of light) and h = 6.626 x 10-34 Js (Planck's constant)