Dab tsi yog daim ntawv thov ntawm daim iav nkhaus?
Dab tsi yog daim ntawv thov ntawm daim iav nkhaus?

Video: Dab tsi yog daim ntawv thov ntawm daim iav nkhaus?

Video: Dab tsi yog daim ntawv thov ntawm daim iav nkhaus?
Video: Tseem nco thaum kawm ມໍ3 ມໍ4 by Pov Vang: Nkauj tawm tshiab 2018-2019. Full MV 2024, Kaum ib hlis
Anonim

Keeb Kwm teb: Dab tsi yog cov ntawv thov ntawm a nkhaus daim iav ? Concave iav feem ntau yog siv los ua shaving iav thiab pleev iav . Cov khoom uas nyob ze yog reflected nyob rau hauv a concave iav raws li daim duab loj. Thaum lub iav yog tuav ze ntawm lub ntsej muag, ib daim duab loj ntawm daim tawv nqaij tuaj yeem pom.

Yog li ntawd, 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.

Ib yam li ntawd, qhov kev siv ntawm concave thiab convex iav yog dab tsi? Yog li ntawd, feem ntau daim iav siv yog nyob rau hauv qhov chaw uas cov khoom loj yuav tsum tau saib nyob rau hauv ib tug me me loj. Txij li thaum iav iav muaj kev pom dav dua concave iav thiab dav hlau iav , lawv feem ntau yog siv rau sab iav ntawm tsheb.

Kuj nug, 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.

Qhov piv txwv ntawm daim iav concave yog dab tsi?

Cov piv txwv ntawm concave iav yog cov iav siv nyob rau hauv tsheb lub taub hau teeb, reflecting telescopes, taws teeb, thiab lwm yam.

Pom zoo: