Dab tsi yog qhov txawv ntawm lub lens concave?
Dab tsi yog qhov txawv ntawm lub lens concave?

Video: Dab tsi yog qhov txawv ntawm lub lens concave?

Video: Dab tsi yog qhov txawv ntawm lub lens concave?
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A concave lens yog raws nraim rov qab rau a convex lub lens . Nws yog nyias ntawm qhov chaw thiab tuab ntawm ntug. Raws li lub parallel rays converge, lub convex lub lens yog hu ua kev sib tshuam tsom iav . Ib yam nkaus, a concave lens hu ua sib txawv lo ntsiab muag vim lawv ua rau cov duab hluav taws xob sib txawv kom sib txawv.

Ntawm no, lub ntsiab lus ntawm concave yog dab tsi?

nkhaus . Synonyms : hollow, scooped, pitted, excavated, retreating, alveolar.

Qhov thib ob, dab tsi yog lwm lub npe rau diverging lens? Concave lens tseem hu ua a diverging lens . Raws li koj pom nws sib txawv deb ntawm cov kab teeb sib luag. Nyob lwm tus tes convex tsom iav hu ua converging tsom iav.

Ua kom pom qhov no, lub lens convexo concave yog dab tsi?

n. A tsom iav muaj ib qhov chaw convex thiab qhov ntxeev sab nraud nkhaus , s cov concave nto muaj qhov nkhaus ntau dua.

Dab tsi yog qhov txawv ntawm overfed?

txo. overfed thiab txo. nyias. overfed thiab nyias.

Pom zoo: