
Kviz4
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
Mirjana Dabac
Used 1+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako poraste intenzitet monokromatske svjetlosti bez promjene njene boje tada:
poraste broj fotona
poraste brzina fotona
poraste energija fotona
poraste frekvencija fotona
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kojoj vrsti zračenja pripadaju fotoni energije 2 eV?
gama zračenju
vidljivoj svjetlosti
radiovalovima
mikrovalnom zračenju
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Foton UV zračenja ima energiju E1, a foton infracrvenoga zračenja ima energiju E2. Koji od navedenih izraza vrijedi za njihove energije?
E1 > E2
E1 < E2
E1 = E2
nema odgovora
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Foton energije 3,27 eV izazove fotoelektrični učinak na nekome metalu. Izlazni rad fotoelektrona za taj metal je 2,08 eV. Kolika je kinetička energija fotoelektrona?
1,19 eV
2,08 eV
3,27 eV
5,35 eV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na crtežu je prikazan graf maksimalne kinetičke energije fotoelektrona u ovisnosti o frekvenciji upadnoga zračenja f za tri metala, metal 1, metal 2 i metal 3. Kakav je odnos između izlaznih radova W1, W2 i W3 tih metala?
W1 < W2 < W3
W1 > W2 > W3
W1 = W2 = W3
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Kako se zovu elektroni izbačeni iz metala koji je obasjan elektromagnetskim zračenjem?
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Energija vezanja je drugi naziv za:
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