Science / Chemistry / Emission Spectrum: A plot of relative intensity of emitted radiation as a function of wavelength or frequency.
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Science / Chemistry / Line Spectrum: A emission spectrum that contains very sharp peaks, corresponding to transitions between states in free atoms. For example, the line spectrum of hydrogen contains 4 sharp lines in the visible part of MORE
Science / Chemistry / Band Spectrum: Compare with line spectrum and continuous spectrum. An emission spectrum that contains groups of sharp peaks that are so close together that they are not distinguishable separately, but only as a 'ban MORE
Technology / Cell Phones / Spectrum Assignment: Federal government authorization for use of specific frequencies or frequency pairs within a given allocation, at specific geographic locations. MORE
Technology / Cell Phones / Spectrum: The range of electromagnetic radio frequencies used in the transmission of sound, data and television. MORE
Technology / Cell Phones / Spectrum Allocation: Federal government assignment of a range of frequencies for a category of use or uses. For example, the FCC allocated the 1900 MHz band for personal communications services. Allocation, accomplished i MORE
Technology / Cell Phones / Spectrum Cap: A limit to the allocated spectrum designated for a specific service. MORE