Iimpawu I-f-theta egxile kwisipili sentsimi, enyanisweni, luhlobo lwesipili sentsimi, siyilelwe ukwenza umphakamo womfanekiso kunye ne-engile yokuskena ukwanelisa ubudlelwane y=f*θ θ iqela lelensi (θ yi-engile yokuphambuka kwe galvanometer), ngoko isipili se-f-theta saziwa njengelensi yomgca.Hayi...
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