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electromagnetic spectrum
(redirected from Radiation spectrum)

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electromagnetic spectrum

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The spectrum of electromagnetic waves ranges from low-frequency radio waves to high-frequency gamma …
(credit: © Merriam-Webster Inc.)
Total range of frequencies or wavelengths of electromagnetic radiation. The spectrum ranges from waves of long wavelength (low frequency) to those of short wavelength (high frequency); it comprises, in order of increasing frequency (or decreasing wavelength): very-low-frequency to ultrahigh-frequency radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. In a vacuum, all waves of the electromagnetic spectrum travel at the same speed: 299,792,458 m/sec (186,282 mi/sec).


electromagnetic spectrum [i¦lek·trō·mag′ned·ik ′spek·trəm]
(electromagnetism)
The total range of wavelengths or frequencies of electromagnetic radiation, extending from the longest radio waves to the shortest known cosmic rays.


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This pioneering achievement involved developing UV flexo printing inks, UV screen printing inks and UV overprint varnishes for the highly specific radiation spectrum of LED-UV light that cure fully despite the low energy and are a match for conventional UV inks in terms of drying speed.
The glazing product samples that had spectrally selective coatings, or what is generally considered as "high-performance" glazing, did not match well when the standard solar radiation spectrum was used.
Williams says one of his group's main contributions has been to develop a system that can accurately measure the temperature at high pressures from the radiation spectrum emitted by the iron sample.
 
 
 
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