Discovery
November 8, 1895, WC ROENCGEN confirmed that fluorescence was caused by unknown rays during an experiment using a closed-off cathode tube, He named it X-rays, and published a paper on December 8, 1895, which granted him the 1st Nobel Prize in Physics.
Actions of X-Ray
- Physical Reaction
: Excitement, ionization, exothermic and fluorescent reaction
- Chemical Reaction
: When ionization or excitation is generated due to the high-speed electrons made by X-rays, chemical changes may occur.
- Physical, Chemical Reaction
: Like visible light, X-rays have a photographic effect on photosensitizers. Accordingly, X-ray generates the internal structure of the human body on the film image and used for dose measurement with its chromatic effect.
- Biological Reaction
: In addition to acute effects such as skin erythema and ulceration, x-rays have a latent effect that is expressed after a long incubation period, so it can cause aging and genetic disorders. Moreover, X-ray is used for radiation treatment of malignant tumors.
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