photoelectric voltage photoelectrochemical cell photoelectromotive force photoelectron photoelement photoemission photoemissive photoemissive cell photoemissive effect photoemitter photoemulsion photo engraving photofabrication photofission photoflash photoflash lamp photoflash tube photoflood lamp photogeology photogoniometric method |
photoelectric voltage фотоелектрическо напрежение Търсената дума е намерена |