Phapang lipakeng tsa lense ea convex le lense ea concave
Lilense ke eng? Lilense ke lintho tse bonaletsang tse etselitsoeng ho fetola khanya, kahoo li khona ho lokisa ...
Mabone a pono
Phapang pakeng tsa colorimeter le spectrophotometer
Selelekela: Tekanyo ea mebala ke mosebetsi oa mantlha libakeng tse fapaneng joalo ka indasteri ea masela, lijo le litlolo, hara tse ling. …
Phapang pakeng tsa seipone le lense
Liipone le lilense ke eng? Liipone le lilense ke lintho tsa mahlo tse re lumellang ho holisa, ho fokotsa ...