![Cov lus twg piav qhia tias vim li cas tus xaum xaum zoo li tawg thaum muab tso rau hauv ib khob dej? Cov lus twg piav qhia tias vim li cas tus xaum xaum zoo li tawg thaum muab tso rau hauv ib khob dej?](https://i.answers-medical.com/preview/medical-health/13913722-which-statement-explains-why-a-pencil-looks-broken-when-placed-in-a-cup-of-water-j.webp)
Video: Cov lus twg piav qhia tias vim li cas tus xaum xaum zoo li tawg thaum muab tso rau hauv ib khob dej?
![Video: Cov lus twg piav qhia tias vim li cas tus xaum xaum zoo li tawg thaum muab tso rau hauv ib khob dej? Video: Cov lus twg piav qhia tias vim li cas tus xaum xaum zoo li tawg thaum muab tso rau hauv ib khob dej?](https://i.ytimg.com/vi/iq7iWnJET3Q/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Vim tias lub teeb tsis tuaj yeem mus nrawm nrawm hauv dej zoo li nws nyob saum huab cua, lub teeb khoov ib ncig xaum , ua rau saib bent hauv dej . Yeej, lub teeb refraction muab rau xaum qhov ua kom pom me me, uas ua rau lub kaum sab xis pom loj dua qhov nws yog, ua rau xaum rau saib nkhaus.
Tom qab ntawd, ib tus tseem yuav nug, vim li cas tus xaum xaum thiaj li tawg hauv khob dej?
Raws li koj pom ntawm qhov ntawm xaum uas tau submerged hauv dej , lub teeb mus los ntawm dej mus rau huab cua (lossis los ntawm dej iav rau cua). Qhov hluav taws xob hluav taws xob no hloov pauv nruab nrab thiab tom qab dhau mus ua qhov tsis pom kev. Raws li qhov tshwm sim, daim duab ntawm mem hluav tshwm ua tawg.
Tsis tas li ntawd, vim li cas tej yam zoo li khoov hauv dej? Refraction nyob rau hauv a dej nto Saib ntawm qhov khoom ncaj, xws li xaum hauv daim duab ntawm no, uas tau muab tso rau ntawm qhov nqes, ib nrab hauv dej , yam khoom tshwm rau khoov ntawm cov dej nto. Qhov no yog vim li cas khoov ntawm lub teeb ci thaum lawv txav los ntawm dej mus saum huab cua.
Ua kom pom qhov no, tus cwj mem zoo li cas thaum nws muab tso rau hauv khob dej?
Cov npoo nkhaus ua rau lub teeb ci kom khoov me ntsis sab nraud, zoo li kev nthuav tawm ntawm tus kiv cua, thaum lawv hla dhau. Uas widens cov duab ntawm xaum uas mus txog koj lub qhov muag. Nws yog tib yam "tsom iav qhov muag" tshwm sim uas ua rau yam saib rog thaum saib dhau los ntawm a khob dej.
Yuav ua li cas refraction ua haujlwm hauv dej?
Tsom iav ntawm lub teeb nyob rau hauv dej . Thaum lub teeb txav los ntawm huab cua mus rau hauv dej , nws qeeb qeeb, ua rau nws hloov kev taw qhia me ntsis. Qhov kev hloov pauv no hu ua refraction . Thaum lub teeb nkag mus rau qhov hnyav dua cov khoom (siab dua tsis pom kev index), nws 'khoov' ntau dua ntawm kab ib txwm muaj.
Pom zoo:
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