X-Rays |
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| Radiation, X; X-Radiation; Xrays; Radiations, X; Rays, Grenz; Rays, Roentgen; X Radiation; X Radiations; X Rays; X-Radiations; X-Ray; Xray | |
| Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release energy - in the same energy range as gamma rays (0.010-10 Mev), but of non-nuclear origin, of shorter wavelength than ultraviolet; soft x-rays or Grenz rays are less penetrating and longer in wavelength than hard x-rays. | |