Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ka'idar gani ta ci gaba a tsakiyar karni na 17 tare da rubutun da masanin falsafa René Descartes ya rubuta, wanda ya bayyana abubuwa daban-daban na gani da suka hada da tunani da sakewa ta hanyar zaton cewa haske ya fito ne daga abubuwan da suka samar da shi. Wannan ya bambanta sosai daga tsohuwar ka'idar fitarwa ta Girka. A ƙarshen 1660s da farkon 1670s, Isaac Newton ya faɗaɗa ra'ayoyin Descartes a cikin ka'idar haske ta haske, sanannen ƙayyade cewa farin haske shine cakuda launuka wanda za'a iya raba shi zuwa sassansa tare da prism. A shekara ta 1690, Christiaan Huygens ya gabatar da ka'idar kalaman haske bisa ga shawarwarin da Robert Hooke ya yi a shekara ta 1664. Hooke da kansa ya soki ra'ayoyin Newton game da haske kuma rikici tsakanin su biyu ya ci gaba har zuwa mutuwar Hooke. A shekara ta 1704, Newton ya wallafa Opticks kuma, a lokacin, a wani bangare saboda nasarorin da ya samu a wasu bangarorin kimiyyar lissafi, an dauke shi a matsayin mai nasara a muhawara kan yanayin haske. Newton optics an yarda da shi har zuwa farkon karni na 19 lokacin da Thomas Young da Augustin-Jean Fresnel suka gudanar da gwaje-gwaje kan tsangwama na haske wanda ya tabbatar da yanayin haske. Shahararren gwaji na Young ya nuna cewa haske ya bi ka'idar superposition, wanda yake kama da kama-da-wane wanda ka'idar corpuscle ta Newton ba ta annabta ba. Wannan aikin ya haifar da ka'idar rarrabuwa don haske kuma ya buɗe duka yanki na nazari a cikin ilimin kimiyyar lissafi. Wave optics ya sami nasarar haɗuwa da ka'idar electromagnetic ta James Clerk Maxwell a cikin 1860s. Ci gaba na gaba a cikin ka'idar gani ya zo a cikin 1899 lokacin da Max Planck ya tsara daidai hasken baƙar fata ta hanyar ɗauka cewa musayar kuzari tsakanin haske da abu kawai ya faru ne a cikin ƙananan adadin da ya kira quanta. A shekara ta 1905, Albert Einstein ya wallafa ka'idar tasirin wutar lantarki wanda ya tabbatar da ƙididdigar haske da kansa. A shekara ta 1913, Niels Bohr ya nuna cewa atoms kawai zai iya fitar da rarrabe adadin makamashi, ta haka ne ya bayyana rarrabe Lines gani...  Tambaya: Menene za a iya amfani da shi don raba launuka daga haske mai haske?
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