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Video: Lub prism ua haujlwm li cas thaum lub teeb ci tuaj?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaum dawb teeb hla dhau a prism , cov prism disperses cov teeb rau hauv dab tsi hu ua nws cov xim sib xyaw. Thaum twg teeb taug kev dhau huab cua hits prism , nws hloov nws qhov nrawm, thiab yog li nkag rau hauv prism ntawm lub kaum ntse ntse tshiab (nws yog "refracted").
Ua kom pom qhov no, yuav ua li cas thaum koj ci lub teeb los ntawm prism?
Thaum twg teeb hla dhau los ntawm prism cov teeb khoov. Vim li ntawd, cov xim sib txawv uas ua rau dawb teeb ua sib cais. Qhov no tshwm sim vim hais tias txhua xim muaj qhov tshwj xeeb nthwv dej thiab txhua lub nthwv dej khoov ntawm qhov sib txawv.
Ib tug kuj yuav nug, yuav ua li cas lub teeb yog refracted los ntawm ib tug prism? Thaum tshav ntuj teeb nkag mus rau hauv iav prism nws tau deviated ob zaug. Ua ntej thaum nws nkag mus rau iav prism thiab thib ob thaum nws tawm ntawm lub prism . Qhov no yog vim tias qhov cuam tshuam ntawm qhov chaw prism tsis sib thooj rau ib leeg. Tsis tas li ntawd, thaum cov duab hluav taws xob teeb hla dhau cov prism nws khoov ntawm nws lub hauv paus.
Tsis tas li ntawd, lub teeb prism ua haujlwm li cas?
A prism yog ib daim iav los yog yas nyob rau hauv daim duab peb sab. A prism ua haujlwm vim cov xim sib txawv ntawm teeb taug kev ntawm qhov nrawm sib txawv hauv iav. Vim tias cov xim ntawm teeb taug kev ntawm qhov nrawm sib txawv, lawv tau khoov los ntawm qhov sib txawv thiab tawm los txhua qhov nthuav tawm es tsis txhob sib xyaw.
Dab tsi xim muaj lub zog siab tshaj plaws?
Thaum nws los txog pom lub teeb , xim ntau zaus tshaj plaws, uas yog violet , kuj muaj lub zog tshaj plaws.
Pom zoo:
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Lub luag haujlwm ntawm tus tuav haujlwm thiab tus tswv ntiav haujlwm suav nrog: Txiav txim siab seb yuav muaj xwm txheej ceev li cas thiab pom tias cov txheej txheem xwm txheej ceev tau tsim los daws txhua qhov xwm txheej. Qhia tag nrho cov dej num xwm txheej ceev, suav nrog kev khiav tawm ntawm cov neeg ua haujlwm. Ua kom ntseeg tau tias cov kev pabcuam xwm txheej sab nraud raug ceeb toom thaum tsim nyog
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Qhov luv luv wavelength, qhov ntau dua qhov deflection. Cov tub ntxhais kawm tuaj yeem ci lub teeb dawb los ntawm qhov prism. Txij li txhua qhov xim tau thim rov qab ntawm lub kaum sib txawv me ntsis, qhov tshwm sim yog tias lub teeb faib ua pawg ntawm cov xim
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Raws li ib feem ntawm pab pawg, tus kws kho mob lub plawv tsis ua haujlwm tau zoo muab rau muab kev pabcuam rau cov neeg mob thoob plaws txoj kev mob plawv tsis ua haujlwm thiab qhov no yuav tsum muaj kev koom tes ze nrog kws saib xyuas mob hauv thaj chaw tshwj xeeb tshwj xeeb xws li chav kho mob xwm txheej ceev thiab kev kho mob dav/ saib xyuas-ntawm-tus-neeg laus
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Qhov no puas pab tau? Yog · Tsis yog