Ob hom iav iav yog dab tsi?
Ob hom iav iav yog dab tsi?

Video: Ob hom iav iav yog dab tsi?

Video: Ob hom iav iav yog dab tsi?
Video: kev sib hlub yog dab tsi.nkauj lom zem ເສບສົດ 2024, Kaum ib hlis
Anonim

Thaum lub reflecting nto yog hloov nkhaus , peb npe a nkhaus daim iav . Muaj ob hom iav iav ; concave thiab daim iav . Curved iav uas reflecting nto nkhaus sab hauv yog hu ua concave iav thaum cov neeg uas nws lub ntsej muag nthuav tawm sab nraud yog hu ua iav iav.

Ib yam li ib tug yuav nug, ob hom iav yog dab tsi?

Rau nkhaus iav muaj ob hom ntawm lawv - concave iav thiab convex iav . Ib qho nkhaus iav uas muaj nws qhov chaw nyob ze rau lub teeb tuaj tshaj nws cov npoo yog hu ua convex iav thaum ib qho uas muaj nws qhov chaw nyob deb ntawm lub teeb tuaj tshaj nws cov npoo yog hu ua concave iav.

Ib tug kuj yuav nug, dab tsi yog siv cov iav nkhaus? Concave iav yog siv nyob rau hauv reflecting telescopes. Lawv kuj yog siv los muab cov duab loj ntawm lub ntsej muag rau kev thov pleev lossis shaving.

Khaws qhov no hauv kev xav, dab tsi yog qhov ntawm daim iav nkhaus?

Center ntawm Curvature - qhov taw tes nyob rau hauv nruab nrab ntawm lub kheej kheej los ntawm qhov uas iav ua hlais. ? Focal Point/Focus - lub ntsiab lus ntawm lub vertex thiab qhov nruab nrab ntawm curvature . ? Vertex - lub ntsiab lus ntawm lub iav nto qhov twg tus thawj axis ntsib lub iav.

Mirror state nws hom yog dab tsi?

A iav yog ib tug du nto nyob rau hauv uas tsis tu ncua xav txog qhov chaw. Daim duab meej ntawm ib qho khoom tso rau pem hauv ntej ntawm a iav yog tsim los ntawm kev xav ntawm lub teeb. Lub concave iav yog kev sib cav iav txij li thaum lub teeb sib luag ntawm lub teeb converges ntawm ib qho chaw lossis sib ntsib ua ke tom qab kev xav los ntawm nws nto.

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