Test fenomene optice - 8E

Test fenomene optice - 8E

3rd Grade

18 Qs

quiz-placeholder

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Test fenomene optice - 8E

Test fenomene optice - 8E

Assessment

Quiz

Physics

3rd Grade

Practice Problem

Hard

Created by

Midnight Holly

Used 28+ times

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18 questions

Show all answers

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:

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Mediile transparente in care se propaga lumina se mai numesc:

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