Difference between revisions of "X-ray"
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[[Category: | '''X-radiation''' (composed of '''X-rays''') is a form of electromagnetic radiation. Most X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3×10<sup>16</sup> Hz to 3×10<sup>19</sup> Hz) and energies in the range 100 eV to 100 keV. X-ray wavelengths are shorter than those of ultraviolet rays and typically longer than those of gamma rays. In many languages, X-radiation is referred to with terms meaning "Röntgen radiation," after Wilhelm Röntgen,<ref name="XRayNASA">{{cite web |url=http://missionscience.nasa.gov/ems/11_xrays.html |title=X-rays |publisher=NASA |accessdate=06 August 2014}}</ref> who is usually credited as its discoverer, and who had named it ''X-radiation'' to signify an unknown type of radiation.<ref name="NovellineSquire">{{cite book |url=http://books.google.com/books?id=XhFbngxk8lMC&pg=PA1 |title=Squire's Fundamentals of Radiology |author=Novelline, Robert A.; Squire, Lucy Frank |publisher=La Editorial, UPR |year=2004 |page=1 |isbn=9780674012790 |accessdate=06 August 2014}}</ref> | ||
Spelling of "X-ray(s)" in the English language includes the variants ''x-ray(s)'', ''xray(s)'', and ''X ray(s)''. | |||
==References== | |||
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Revision as of 17:15, 6 August 2014
X-radiation (composed of X-rays) is a form of electromagnetic radiation. Most X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3×1016 Hz to 3×1019 Hz) and energies in the range 100 eV to 100 keV. X-ray wavelengths are shorter than those of ultraviolet rays and typically longer than those of gamma rays. In many languages, X-radiation is referred to with terms meaning "Röntgen radiation," after Wilhelm Röntgen,[1] who is usually credited as its discoverer, and who had named it X-radiation to signify an unknown type of radiation.[2]
Spelling of "X-ray(s)" in the English language includes the variants x-ray(s), xray(s), and X ray(s).
References
- ↑ "X-rays". NASA. http://missionscience.nasa.gov/ems/11_xrays.html. Retrieved 06 August 2014.
- ↑ Novelline, Robert A.; Squire, Lucy Frank (2004). Squire's Fundamentals of Radiology. La Editorial, UPR. p. 1. ISBN 9780674012790. http://books.google.com/books?id=XhFbngxk8lMC&pg=PA1. Retrieved 06 August 2014.
