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Rozumím
UV záření
Ultrafialové záření je elektromagnetické záření s vlnovou délkou kratší než má viditelné světlo, avšak delší než má rentgenové záření. Pro člověka je neviditelné, někteří živočichové ho ale dokáží vnímat. Přirozený zdroj UV záření je Slunce, lze však vyrobit bez problémů i UV zářičem. Zkrátka UV vychází z anglického slova ultraviolet (ultrafialové).
Zjednodušené dělení UV záření (toto dělení vzniklo především z důvodu biologických účinků UV záření):
UVA (vlnová délka v nanometrech 400 – 320)
UVB (vlnová délka v nanometrech 320 – 280)
UVC (vlnová délka v nanometrech 280 a méně)
Proti všem třem typům UV záření je vhodné chránit svoji kůži a zrak vhodnými ochrannými prostředky (brýle, krémy).
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