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electromagnetic spectrum |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
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electromagnetic spectrum (  ·lekˈ·trō·mag·neˑ·tik spekˑ·trm),n the entire range of electromagnetic radiation that extends from the longest (radio waves) to the shortest (gamma radiation) wavelengths. |
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? Mentioned in | ? References in periodicals archive | ||
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| There's an eerie, miraculous element to some views, and while the clear explanations shed light on complex phenomena, the author candidly admits that many aspects of the EM spectrum are mysteries yet to be solved by science. Surrounding the source assembly is a clean, sodium iodide (NaI) crystal, called a scintillation detector because it gives of flashes of light (scintillates) when struck by the backscattered photons, Thus, the crystal converts photons in the gamma region of the electromagnetic (EM) spectrum into photons in the light (visible) region on the EM spectrum. |
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EM spectrum
