Official Answer
Answer
Mu nteko zisobanutse neza nk'amazu ya optique cyangwa inzu ya moteri ya moteri, kwihanganira imiturire hamwe nibice byo gushyingiranwa birashobora kurenga imitwaro yifuzwa yimvura. Shim ikoreshwa muguhindura uburebure bwakazi $ L_w $. Kubera ko umutwaro $ P $ ari imikorere ya $ (L_f - L_w) $, itandukaniro rito muri $ L_w $ rishobora gutuma habaho itandukaniro rinini muri $ P $ niba igipimo cyimpeshyi $ k $ kiri hejuru. Amashanyarazi akomeye agomba gukoreshwa kugirango atange ubuso buringaniye, buringaniye kugirango amasoko yihangane, birinde imiraba yumuraba gucukura mumazu yoroshye ya aluminium cyangwa plastike, byahindura neza uburebure bwubusa hamwe nuburemere bwavuyemo.
