Leej twg invented reflected light?

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Leej twg invented reflected light?
Leej twg invented reflected light?

Video: Leej twg invented reflected light?

Video: Leej twg invented reflected light?
Video: Luag Leej Ntxhais - OFFICIAL MV - R1 WINDY Rendition 2024, Kaum ib hlis
Anonim

2.1 Kev xav Tus neeg Ancient Greek lej Euclid tau piav txog txoj cai ntawm kev xav hauv 300 BCE. Qhov no hais tias lub teeb mus rau hauv txoj kab ncaj nraim thiab pom los ntawm ib qho chaw ntawm tib lub kaum sab xis uas nws tsoo nws.

Leej twg pom qhov kev xav thiab kev cuam tshuam?

Nyob rau xyoo 1650, Fermat nrhiav tau ib txoj hauv kev los piav qhia txog kev xav thiab kev cuam tshuam raws li qhov tshwm sim ntawm ib lub hauv paus ntsiab lus. Nws yog hu ua lub hauv paus ntsiab lus ntawm lub sij hawm tsawg los yog Fermat lub hauv paus ntsiab lus.

Yuav ua li cas thiaj pom lub teeb tsim?

Reflection yog thaum teeb bounces tawm ntawm ib yam khoom Yog hais tias qhov saum npoo yog du thiab ci, zoo li iav, dej los yog polished hlau, lub teeb yuav pom ntawm tib lub kaum sab xis thaum nws tsoo. qhov chaw. Qhov no yog hu ua specular reflection. Lub teeb pom kev los ntawm qhov chaw du ntawm tib lub kaum sab xis thaum nws tsoo rau saum npoo.

Lub teeb pom kev tuaj qhov twg?

Lub teeb kuj tshwm sim thaum nws yog xwm txheej ntawm qhov chaw lossis qhov sib cuam tshuam ntawm ob yam khoom sib txawv xws li saum npoo nruab nrab ntawm huab cua thiab dej, lossis iav thiab dej Txhua lub sijhawm Lub teeb tsoo ib thaj tsam ntawm ob yam khoom - huab cua / iav lossis iav / dej - qee qhov teeb pom kev zoo.

Leej twg invented optics?

Thaum muaj ntau yam kev tshawb fawb ua tiav hauv kev kho qhov muag, Ibn al-Haitham lossis Alhazen tau txais txiaj ntsig nrog lub npe "txiv ntawm optics ".

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