Reference Terms
from Wikipedia, the free encyclopedia


X-rays are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.1 nanometers, corresponding to frequencies in the range 30 to 3000 PHz.

X-rays are primarily used for diagnostic medical imaging and crystallography.

X-rays are a form of ionizing radiation and as such can be dangerous.

The image formed by x-rays on a sensitive film is referred to as a radiograph.

Note:   The above text is excerpted from the Wikipedia article "X-ray", which has been released under the GNU Free Documentation License.
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November 28, 2015

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