petahertz

navigate by keyword : 124 1930s 19th 20th applying century commonly corresponding diagram effects electromagnetic energies exahertz explanatory form frequencies have highenergy history ill illustrations kev less medical method most much nanometers operators patient penetrating petahertz picometers precautions protect radiation range ranging taken treatment vintage wavelength

Electromagnetic spectrum Royalty Free Stock Photo

Vintage illustrations of the X-Ray 1930s.

X-Rays - Explanatory diagram of the method of applying X-Ray treatment to a patient, and the precautions taken to protect the operators from ill effects. An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz and energies in the range 124 eV to 124 keV. 19th and 20th century medical history.