Free Exam: Estudo da luz
Number of Questions in Test: 4
Note: Answers are not shown below but will be copied with this test.
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Corpos que irradiam luz própria são chamados:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
A luz sempre viaja em linhas rectas.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 3
Um feixe _______ é aquele cujos raios mantêm a mesma distância uns dos outros.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 4
[img]http://www.pbs.org/wgbh/nova/teachers/activities/images/3406_solar_focal1.gif[/img]
Este espelho é:
Este espelho é:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |