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Journey into Electromagnetic Radiation: Ultraviolet Rays
Description
Ultraviolet (UV) rays exist beyond the boundaries of human vision, yet they exert a profound influence on our lives, from the tanning of our skin to the sterilization of clinical surfaces. This video explores the physical properties of the different types of radiation—UVA, UVB, and UVC—and explains how the Earth's atmosphere shields us from the most energetic radiation emitted by the sun.
Original title
מסע אל הקרינה האלקטרומגנטית: קרני אולטרה סגול (UV)
קרני האולטרה-סגול (UV) נמצאות מחוץ לטווח הראייה האנושי, אך יש להן השפעה עצומה על חיינו, החל משיזוף ועד חיטוי משטחים. הסרטון סוקר את התכונות הפיזיקליות של סוגי הקרינה השונים (UVA, UVB, UVC) ומסביר כיצד האטמוספירה מגנה עלינו מפני הקרינה האנרגטית ביותר המגיעה מהשמש.
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