
Svjetlovodna vlakna
Authored by Željko Brček
Education
12th Grade

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što opisuje zakon pravocrtnog širenja svjetlosti?
Svjetlost se širi pravocrtno u optički jednolikom i prozirnom sredstvu.
Svjetlost se širi kružno u svim smjerovima.
Svjetlost se širi samo u vakuumu.
Svjetlost se širi pravocrtno samo u vodi.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji zakon opisuje da se svjetlost odbija pod istim kutom pod kojim je i upala?
Zakon refrakcije
Zakon difrakcije
Zakon refleksije
Zakon apsorpcije
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji zakon opisuje da svjetlosni snopovi različitih valnih duljina ne utječu jedan na drugoga?
Zakon refleksije
Zakon refrakcije
Zakon nezavisnosti širenja svjetlosnih snopova
Zakon superpozicije
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja komponenta svjetlovodnog vlakna odbija svjetlosne zrake u jezgru?
Sekundarna zaštita
Primarna zaštita
Odrazni plašt
Jezgra
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je funkcija primarne zaštite u svjetlovodnom vlaknu?
Mehanička zaštita plašta i jezgre (tanki sloj plastične mase).
Električna izolacija vlakna.
Povećanje brzine prijenosa podataka.
Smanjenje gubitka signala.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji je raspon promjera jezgre svjetlovodnog vlakna?
8-10 mikrometara
50-62.5 mikrometara
100-200 mikrometara
200-300 mikrometara
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je promjer jezgre jednomodnih vlakana?
8-10 mikrometara
50 mikrometara
62.5 mikrometara
100 mikrometara
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