
Cavi Sottomarini e Trasmissione Dati
Interactive Video
•
History, Science, Geography
•
7th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la percentuale del traffico internet globale che viaggia attraverso cavi sottomarini?
50%
75%
97%
100%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In quale anno è stato posato il primo cavo sottomarino per la linea telefonica?
1988
1956
1857
2000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale materiale viene utilizzato nei cavi per la trasmissione di dati?
Acciaio
Alluminio
Fibra ottica
Rame
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il principio fisico che permette alla luce di viaggiare all'interno della fibra ottica?
Assorbimento
Riflessione interna totale
Rifrazione
Diffrazione
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il diametro massimo che un cavo sottomarino può raggiungere in acque poco profonde?
5 cm
50 cm
10-20 cm
30 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la lunghezza del cavo sottomarino più lungo menzionato nel video?
131 km
3,000 km
20,000 km
50,000 km
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale materiale viene utilizzato per schermare elettricamente i cavi per la trasmissione di energia?
Rame
Acciaio
Plastica
Kevlar
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