Akwai nau'o'in ultraviolet daban-daban a cikin hasken rana, bisa ga nau'i daban-daban na raƙuman ruwa, za a iya raba hasken ultraviolet zuwa UVA, UVB, UVC uku, wanda zai iya isa saman duniya ta hanyar sararin samaniya kuma gajimare sun fi UVA da UVB. ultraviole band ...
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