
Provjera DZ - 3.razred
Authored by Sara Metelko
Physics
11th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Što je frekvencija?
Vrijem potrebno za jedan titraj
Broj titraja u vremenu
Udaljenost između dvije čestice na valu
Brzina tritranja neke čestice
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kojim slovom se oznčava udaljenost između dvije čestice koje titraju u fazi?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Što je razlika hoda?
Zbroj puteva koju prolaze dva vala od izvora do neke točke u prostoru.
Razlika puteva koju prolaze dva vala od izvora do neke točke u prostoru.
Umnožak puteva koju prolaze dva vala od izvora do neke točke u prostoru.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Faza titranja određena je:
položajem i brzinom čestice vala u određenom vremenskom trenutku
frekvencijom i brzinom čestice vala u određenom vremenskom trenutku
priodom i brzinom čestice vala u određenom vremenskom trenutku
valnom duljinom i brzinom čestice vala u određenom vremenskom trenutku
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Koja je veza između razlike u fazi i razlike u hodu?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Brzina širenja vala određuje se:
umnoškom valne duljine i frekvencija
umnoškom valne duljine i perioda
kvocijentom valne duljine i frekvencija
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kada je interferencija konstruktivna?
Ako je razlika hoda jednaka cijelom broju valnih duljina, valovi su u fazi i dolazi do konstruktivne interfrencije.
Ako je razlika hoda jednaka neparnom broju polovina valne duljine, valovi su u protufazi i dolazi do destruktivne interfrencije.
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