
Teoria relativităţii restrânse
Quiz
•
Physics
•
12th Grade
•
Hard
MIHAELA TOMA
Used 8+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Un sistem de referinta contine:
sistem de coordonate
reper
observator
ceas
sursa
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Un sistem de referinta este inertial daca:
respecta principiul 2 al mecanicii
are un reper si respecta principiul 1 al mecanicii
are un observator
are un ceas
respecta principiul 1 al mecanicii
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
In mecanica clasica timpul si spatiul sunt:
relative
absolute
constante
necunoscute
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Transformarile Galilei ne afirma faptul ca in mecanica clasica acceleratia in toate sistemele de referinta inertiale aflate in miscare relativa rectiline uniforma este:
pozitiva
invarianta
negativa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viteza luminii in vid este o constanta universala si este egala cu:
3*108 m/s
3*108 km/s
3*106 m/s
3*108 m/s2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In mecanica relativista timpul si lungimea sunt relative. Acest lucru inseamna ca:
timpul si lungimea sunt proprii pentru fiecare sistem de referinta inertial.
Nu se poate specifica
timpul si lungimea sunt aceleasi in toate sistemele de referinta inertiale.
7.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
O tijă cu lungimea proprie l0=0,5m se deplasează în direcţie longitudinală faţă de un sistem de referinţă. Cunoscând că lungimea măsurată faţă de acest sistem este l=40cm, determinaţi viteza tijei.
0.6*v
0.6*c
0.8*c
c
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