Cov duab ncaj ncees uas tsim los ntawm concave mirrors (thaum khoom nyob rau pem hauv ntej ntawm F) yog cov duab loj. Thiab cov duab upright uas tsim los ntawm lub dav hlau tsom iav muaj qhov loj tib yam li cov khoom.
Daim iav twg yuav tsum tau siv kom tau txais daim duab loj?
A concave mirror tuaj yeem siv los tsim cov duab zoo nkauj thiab thim rov qab.
Cov iav concave tsim cov duab loj?
Thaum ib qho khoom muab tso rau ntawm tus ncej thiab ua kom pom tseeb ntawm daim iav concave, tom qab ntawd cov duab tsim yuav yog duab virtual, erect thiab loj. … Thaum qhov khoom muab tso rau nruab nrab ntawm qhov tsom thiab qhov nruab nrab ntawm qhov nkhaus, cov duab tsim ntawm qhov tsom thiab qhov nruab nrab ntawm curvature ntawm daim iav concave.
Puas yog cov duab tiag tiag ib txwm hloov pauv?
Cov duab tiag tiag pom thaum lub teeb ntawm lub teeb converge ntawm ib qho taw tes tom qab xav txog ntawm daim iav los yog tom qab refraction los ntawm lub lens. … Yog hais tias peb muab ib yam khoom rau saum lub x-axis ces los ntawm geometry lub rays yuav converge hauv qab ntawm lub axis. Yog li ntawd, cov duab tsim yuav yog ib daim duab inverted. Li no, ib daim duab tiag ib txwm hloov pauv
Puas yog cov duab tiag tiag ib txwm ncaj?
Cov duab tiag tiag yog ib txwm nyob tom qab daim iav. Cov duab tiag tiag tuaj yeem yog upright lossis inverted. Cov duab tiag tuaj yeem nthuav dav hauv qhov loj me, txo qhov loj me lossis tib qhov loj raws li qhov khoom. Cov duab tiag tiag tuaj yeem tsim los ntawm concave, convex thiab dav hlau iav.