Back تصنيف:قياس إشعاعي Arabic Categoria:Radiometria Catalan Categoría:Radiometría Spanish رده:رادیومتری Persian Catégorie:Radiométrie French श्रेणी:रेडियोमिति Hindi Kategorija:Radiometrija Croatian Categoria:Radiometria Interlingua Taggayt:Affakat KAB Санат:Радиометрия Kazakh
Wikimedia Commons has media related to Radiometry.
In telecommunications and physics, radiometry is the field that studies the measurement of electromagnetic radiation, including visible light. Note that light is also measured using the techniques of photometry, which deal with brightness as perceived by the human eye, rather than absolute power.