Daim iav puas cuam tshuam lub teeb?
Daim iav puas cuam tshuam lub teeb?

Video: Daim iav puas cuam tshuam lub teeb?

Video: Daim iav puas cuam tshuam lub teeb?
Video: Yasmi - Txiv Nraug Ntsuag ft. JN Vang (Music Video) 2024, Kaum ib hlis
Anonim

A iav yog qhov chaw uas reflects lub teeb zoo kawg nkaus li tej khoom siv. Feem ntau cov khoom tsom teeb ntawm qhov sib txawv. Qhov no yog qhov tseeb dua hu ua refraction, vim cov rays ntawm teeb khoov thaum lawv ntaus cov khoom thiab txav mus rau ntau qhov kev taw qhia. Qhov no tso cai rau peb pom cov khoom uas lawv thaws tawm ntawm.

Yog li, daim iav puas cuam tshuam tag nrho lub teeb?

Ib tug zoo meej iav yog a iav uas reflects lub teeb (thiab electromagnetic tawg feem ntau) zoo kawg nkaus, thiab ua tsis kis los yog nqus nws.

Ib yam li ntawd, daim iav siv lub teeb li cas? Thaum photons - rays ntawm teeb - los ntawm ib yam khoom (koj lub ntsej muag luag ntxhi, piv txwv li) ntaus lub ntsej muag du ntawm a iav , lawv thaws rov qab rau tib lub kaum sab xis. Koj ob lub qhov muag pom cov photons reflected li ib iav duab. Yog hais tias ib tug du nto absorbs lub photons, lawv ua tau 't rov qab thiab yuav tsis muaj xav txog.

Ib yam li ntawd, tib neeg nug, pes tsawg feem pua ntawm lub teeb pom ib daim iav?

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Lub dav hlau daim iav yuav cuam tshuam li cas?

A dav hlau iav yog ib iav nrog lub tiaj (planar) reflective nto. Rau teeb rays tawm a dav hlau daim iav , lub kaum sab xis ntawm xav txog sib npaug lub kaum sab xis ntawm qhov xwm txheej. Ib daim duab virtual yog ib daim qauv ntawm ib yam khoom tsim nyob rau ntawm qhov chaw uas tus teeb rays tshwm tuaj.

Pom zoo: