Efectul fotoelectric
Authored by simona p
Physics
11th - 12th Grade
Used 49+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Efectul fotoelectric extern se refera la faptul ca :
daca pe suprafata unui metal cade un flux de radiatii ultraviolete,metalul ajunge sa emita.....
artificii
electroni
radiatii
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Legile efectului fotoelectric extern au fost stabilite de :
Becquerel
Hertz
Hallwachs
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Intensitatea curentului de saturatie este
invers proportionala cu fluxul energetic
direct proportionala cu fluxul energetic
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Tensiunea de stopare creste l (a) cu frecventa radiatiei electromagnetice si nu depinde de flux.
5.
FILL IN THE BLANKS QUESTION
3 mins • 1 pt
Efectul fotoelectric se produce i (a)
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Efectul fotoelectric extern se produce daca frecventa radiatiei electromagnetice este mai mare sau egala cu o frecventa minima numita frecventa p (a)
7.
FILL IN THE BLANKS QUESTION
3 mins • 1 pt
Legile efectului fotoelectric extern vin in contradictie cu ipoteza asupra naturii o (a) a luminii.
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