Thaum koj khaws ib qho khoom nyob rau pem hauv ntej ntawm daim iav concave, ib daim duab loj ntawm cov khoom raug tsim thaum nws nyob ze rau ntawm daim iav thiab ib daim duab inverted ntawm cov khoom yog tsim thaum nws nyob deb. A daim iav convex ib txwm ua ib qho me me thiab ib daim duab tsim ntawm cov khoom.
daim iav convex tsim li cas?
Ib daim duab uas yog tsim los ntawm daim iav convex yog ib txwm erect thiab virtual, txawm li cas los xij ntawm qhov khoom. Ntawm no, cia peb saib cov hom duab tsim los ntawm daim iav convex. Thaum ib qho khoom taw qhia ntawm infinity, ib daim duab virtual yog tsim ntawm qhov tsom.
Vim li cas cov iav concave thiab convex?
Cov iav kheej kheej muaj cov kab nkhaus uas tau pleev xim rau ntawm ob sab. Thaum lub sab hauv ntawm daim iav kheej kheej yog pleev xim rau, ces hom iav no suav hais tias yog daim iav convex. Lub sijhawm no, thaum sab nrauv ntawm daim iav kheej kheej pleev xim, daim iav no hu ua daim iav concave.
daim iav concave siv nyob qhov twg?
Cov iav tsom iav yog siv los ua tsom iav, iav tsom iav, satellite tais, thiab ntau ntxiv. Cov iav no muaj cov cuab yeej los sib sau ua ke thiab mloog cov teeb rays. Concave mirrors nyob rau hauv torches thiab headlights yog siv raws li reflectors.
Daim iav convex siv li cas hauv lub neej niaj hnub?
Cov iav yog siv hauv cov tsevLawv kuj siv los ualo ntsiab muag ntawm looj tsom iav dub, Lawv yog siv nyob rau hauv lub iav magnifying, Lawv yog siv nyob rau hauv kev ruaj ntseg thiab lawv siv nyob rau hauv telescopes.
