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Optica geometrică.

Întrebări la tema lentile

Lentilele convergente sunt: mai groase la mijloc și mai subțiri la capete
Imaginile corpurilor în lentile sunt de ......... feluri două
Imaginea care se formează în spatele lentilei și care poate fi proiectată pe ecran este imaginea...... reală
Lentilele convergente formează imagini......,dar divergente imagini.... reale,virtuale
Prin lentilele divergente imaginea e virtuală, ........ și ......... dreaptă,mai mică
Aplicații ale lentilelor sunt: microscopul,luneta, lupa,ochelarii,aparatul fotografic,telescopul
Elementele lentilei sunt: centrul optic, axul optic principal, cele două focare,axul optic secundar, planul focal, focarul secundar.
Două sau mai multe lentile subţiri centrate (cu acelaşi ax optic) formează..... sistemul optic.
........... este un sistem optic, format dintr-un mediu transparent, limitat de doi dioptri sferici sau de un dioptru sferic şi unul plan care delimitează un mediu înconjurător transparent. Lentila
Lentilele convergente ....... obiectele,dar cele divergente ....... micșorează,măresc
Unitatea de măsură a convergenței este .... care corespunde distanței focale de un metru. dioptria
Formula dioptriei este... [C]=1m^{-1}
Lentilele divergente sunt: mai groase la capete și mai subțiri la mijloc
Created by: Lidia Kt
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