Qhov teeb meem twg tso cai rau lub teeb hla ncaj qha los ntawm nws?
Qhov teeb meem twg tso cai rau lub teeb hla ncaj qha los ntawm nws?

Video: Qhov teeb meem twg tso cai rau lub teeb hla ncaj qha los ntawm nws?

Video: Qhov teeb meem twg tso cai rau lub teeb hla ncaj qha los ntawm nws?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Cov ntaub ntawv zoo li huab cua, dej, thiab ntshiab iav hu ua pob tshab. Thaum lub teeb ntsib cov ntaub ntawv pob tshab, yuav luag tag nrho nws hla ncaj qha los ntawm lawv. iav Piv txwv li, yog pob tshab rau tag nrho cov pom lub teeb. Cov khoom Translucent tso cai rau qee lub teeb hla lawv.

Yog li ntawd, lub teeb puas tuaj yeem dhau los ntawm cov teeb meem?

Yog li, feem ntau, tsis muaj teeb meem nrog cov khoom hla qhov teeb meem yog tias lawv tsis cuam tshuam nrog cov teeb meem - muaj ntau qhov chaw nruab nrab ntawm lub nuclei ntawm atoms. Tam sim no teeb particles, photons, yog pob khoom ntawm electromagnetic hluav taws xob thiab hluav taws xob teb thiab magnetic teb ua tau cuam tshuam nrog cov khoom siv hluav taws xob.

Ib sab saum toj no, dab tsi yog 3 txoj kev lub teeb tuaj yeem cuam tshuam nrog teeb meem? Lub teeb tuaj yeem cuam tshuam nrog teeb meem hauv peb txoj kev : absorption, kis tau tus mob, thiab kev xav. 1. KEV PAB – Thaum a teeb yoj nrog ib tug zoo tib yam zaus rau ib tug electron lub ntuj zaus "impinges" raws li ib tug atom, lub electrons yuav pib vibrate raws li qhov tshwm sim (yuav luag zoo li lawv "teeb tsa").

Yog li ntawd, nws hu ua dab tsi thaum lub teeb hla dhau qhov teeb meem?

Translucent teeb meem yog teeb meem uas kis teeb tab sis scatters lub teeb raws li nws hla dhau.

Yuav ua li cas thaum lub teeb hla qhov teeb meem?

Thaum twg Teeb Ntsib Teeb meem . ua rau nws cais rau hauv nws cov xim spectral. Kev xav tshwm sim thaum tuaj teeb hits ib tug du nto zoo li daim iav thiab bounces tawm, zoo li daim iav. Refraction tshwm sim thaum tuaj lub teeb hla dhau lwm qhov nruab nrab, los ntawm huab cua mus rau iav piv txwv.

Pom zoo: