Unde mecanice. Exersare quiz.

Quiz
•
Physics
•
11th Grade
•
Hard
Silviu Chiriac
Used 10+ times
FREE Resource
9 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Propagarea unei perturbatii intr-un mediu se numeste ........
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Locul geometric al punctelor care oscileaza in faza se numeste:
front de unda
suprafata de unda
val
numar de unda
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lungimea de unda reprezinta drumul parcurs de unda in timp de:
o secunda
un minut
o perioada
o faza
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Despre undele transversale se poate spune:
viteza lor depinde de densitatea mediului
punctele mediului au directia de oscilatie perpendiculara pe directia de propagare
punctele mediului au directia de oscilatie paralela cu directia de propagare
punctele mediului nu oscileaza
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Care este expresia corecta a ecuatiei undei plane?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Reflexia fara schimbare de faza se face pe un capat ...............
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Reflexia cu schimbare de faza de
rad se face la un capat ..........8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Marimea
corespunde marimii fizice:perioada
diferenta de faza
diferenta de drum
faza
9.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diferenta de faza atunci cand diferenta de drum dintre 2 puncte aflate in oscilatie este jumatate de lungime de unda are valoarea:
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