Quiz Física 9° ano
Quiz
•
Physics
•
9th Grade
•
Medium
Anselmo Aguiar
Used 4+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A cor não é uma caraterística própria dos objetos, depende da luz que os ilumina. Um objeto preto iluminado pela luz branca (policromática) tem a seguinte característica:
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Identifique as ondas mecânicas.
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
As radiações infravermelho pode ser utilizados em
Fornos microondas.
Comunicação em geral, Radio AM, FM, celulares.
Controle remoto de televisão, equipamentos de visão noturna.
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
As ondas ultravioletas são emitidas pelo sol. A Terra possui um escudo protetor na atmosfera constituída de moléculas de oxigênio que absorve até 99% das radiação UVC a mais danosa para o ser humano. O nome desse escudo protetor é:
Camada de Ozônio.
Camada Microondas.
Camada eletromagnética.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Essa radiação é utilizada em fornos microondas, radares da policia rodoviária, satélites, GPS, rede wireless, rede Bluetooth.
Infravermelho
Raio X
Microondas
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Se propagam no vácuo ou no ar a uma velocidade de aproximadamente 300.000 mil km/s. Transportam energia. Estamos nos referindo a:
Ondas sonoras
Ondas mecânicas
Ondas eletromagnéticas
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A luz branca é a junção de todas as cores, podemos chama-la de luz:
monocromática
policromática
sincromática
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