Dual nature of light

Jedna od najranijih pojava iz fizike koju je čovjek počeo proučavati, svakako je svjetlost. Prema nekim istraživanjima, prva lampa napravljena je prije 70 000 godina (u posudu sa otvorom stavljao se materijal koji je mogao gorjeti i tako stvarati svjetlo). Teško je zamisliti da pojavu s kojom se čovjek susreo čim je došao na svijet, nije mogao u potpunosti objasniti do 1905. godine. Od 17. do 20. stoljeća svjetlost je znanstveno proučavana jer neka pitanja vezana uz nju nikako se nisu mogla objasniti. Preko 350 godina znanstvenici su pokušavali odgonetnuti kakva je to čudna priroda svjetlosti zbog koje se ona ponaša na sasvim različite načine u različitim situacijama - nekada kao val, a nekada kao čestica. Danas priznajemo teoriju po kojoj svjetlost ima dvojnu narav – valnu (undularnu) i čestičnu (korpuskularnu) i ovisno o tome koje pojave proučavamo, nekada se očituje jedna, a nekada druga priroda.The phenomena of light is one of the phenomena that mankind started to study most early. According to some researches, first lamp was made 70 000 years ago (it was made of some materials that could burn and on that way, made light). It is hard to imagine that mankind could not explain light until the year 1905. From 17th century until the 20th century light was scientific studied because some question related with light could not be explained. For over 350 years scientists have been trying to figure out about strange nature of light that makes it to behave sometimes as wave and sometimes as particle. Today is confirmed The dual theory of light – wave and corpuscular theory and depending on which phenomena we study, light can manifest as a wave or as a particle