Inhoudsopgave
Welke stralingsbron hoort bij ultraviolette straling?
UV-C heeft een hogere intrinsieke energie dan UV-B en UV-A. Bron van de natuurlijke UV-straling op aarde is de zon. Ruwweg bestaat zonlicht uit 5% UV, 45% zichtbaar licht en 50% infrarode straling. Het overgrote deel van het UV-C licht wordt door atmosferische zuurstofmoleculen geabsorbeerd en dus weggefilterd.
Is UV licht kankerverwekkend?
Volgens een recent onderzoek zijn alle apparaten die ultraviolet licht uitstralen in zekere mate kankerverwekkend. Ook de UV-lampen om nagels te drogen zouden niet zonder gevaar zijn.
Hoe schrijf je UV straling?
Ultraviolette straling = Doorgaans afgekort tot uv-straling: hoogenergetische elektromagnetische straling met golflengten korter dan zichtbaar (violet) licht (400 nanometer) en langer dan röntgenstraling (10 nanometer).
What is the meaning of ultraviolet?
ul·tra·vi·o·let | \\ ˌəl-trə-ˈvī-(ə-)lət \\. 1 : situated beyond the visible spectrum at its violet end —used of radiation having a wavelength shorter than wavelengths of visible light and longer than those of X-rays. 2 : relating to, producing, or employing ultraviolet radiation.
What is the wavelength of UV light?
Ultraviolet ( UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz ), shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun.
What are the different types of UV radiation?
Scientists studying astronomical objects commonly refer to different subdivisions of ultraviolet radiation: near ultraviolet (NUV), middle ultraviolet (MUV), far ultraviolet (FUV), and extreme ultraviolet (EUV). NASA’s SDO spacecraft captured the image below in multiple wavelengths of extreme ultraviolet (EUV) radiation.
What is UV light from the Sun called?
ULTRAVIOLET LIGHT FROM OUR SUN The Sun is a source of the full spectrum of ultraviolet radiation, which is commonly subdivided into UV-A, UV-B, and UV-C. These are the classifications most often used in Earth sciences. UV-C rays are the most harmful and are almost completely absorbed by our atmosphere.