Olee ihe na-eme n'ezie, mmetụta fotoelectric ka ọ̀ bụ nsí ultraviolet? N'iburu ajụjụ nke mbụ n'uche, dee ihe gbara ya gburugburu bụ́ nke ga-enye azịza ya. Ọ nwere ike ịbụ 1 - 20 ahịrịokwu. Ihe ndị gbara ya gburugburu:
Otú ọ dị, ịgbalị ime ka echiche electromagnetic kwekọọ na nchọpụta abụọ, mmetụta fotoelectric, na enweghị ọdachi ultraviolet, gosipụtara nsogbu. Site n'ọrụ nke ndị ọkà mmụta sayensị na-eduga, e mepụtara echiche ọhụrụ banyere electromagnetism site n'iji usoro quantum eme ihe. Mgbanwe ikpeazụ a e mere n'ozizi electromagnetic mesịrị duga na quantum electrodynamics (ma ọ bụ QED), nke na-akọwa n'ụzọ zuru ezu ihe nile electromagnetic phenomena dị ka nke a na-eme site na wave<unk>particles a maara dị ka photons. N'ime QED, fotọn bụ isi mgbanwe mgbanwe, nke kọwara mmekọrịta niile metụtara electromagnetism gụnyere ike electromagnetic. [Note 4]