Test fenomene optice - 8E
Authored by Midnight Holly
Physics
3rd Grade
Used 28+ times
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18 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Care din sursele de lumina enumerate mai jos este sursa naturala?
lanterna
laserul
stelele
lumanarea
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Corpurile transparente:
permit trecerea luminii prin ele, dar nu permit observarea clara a conturului obiectelor
nu permit trecerea luminii prin ele
permit trecerea luminii prin ele si observarea clara a obiectelor aflate in spatele lor
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Eclipsele de Soare se produc atunci cand:
Luna se afla intre Soare si Pamant
Pamantul se afla intre Soare si Luna
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Fenomenul in care lumina alba poate fi descompusa in cele 7 culori ale curcubeului ROGVAIV poarta numele de:
reflexie a luminii
dispersie a luminii
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Viteza luminii in vid este de circa:
500 000 km/s
300 000 km/s
100 000 km/s
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Indicele de refractie reprezinta:
(a)
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mediile transparente in care se propaga lumina se mai numesc:
(a)
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