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:
Luz e cor

Quiz
•
Physics
•
8th Grade
•
Medium
Ana Mariano
Used 30+ times
FREE Resource
14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Absorve toda radiação incidente. Nada volta ao olho do observador.
Reflete toda radiação incidente.
Reflete todas as cores .
Todas as hipóteses anteriores.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Poderá existir cor sem luz?
Sim
Não
Talvez
Depende do local
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A luz natural vinda do sol é...
...amarela.
...branca.
...azul.
...laranja.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A luz branca é a junção de todas as cores, podemos chamá-la de luz...
...monocromática.
...policromática.
...sincromática.
...assintomática.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quais são as cores primárias da luz?
Vermelho, amarelo e verde.
Vermelho, amarelo e azul.
Vermelho, azul e verde.
Vermelho, verde e branco.
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Quais são as cores secundárias da luz?
Vermelho, amarelo e verde.
Amarelo, azul ciano, magenta.
Amarelo, verde e magenta.
Vermelho, preto e branco.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O magenta é a cor completar do verde.
Verdadeiro
Falso
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