
Fenómenos óticos e tipos de espelhos
Authored by Alexandra Martins
Physics
8th Grade
Used 2+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reflexão especular ocorre em superfícies polidas.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na reflexão da luz, os raios incidente e refletido propagam-se no mesmo meio e têm a mesma intensidade.
Verdadeiro
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O espelho da figura é um espelho côncavo.
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O ponto onde converge um feixe de raios paralelos, após ser refletido num espelho curvo como na figura, chama-se foco.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Num espelho plano, a imagem é real, simétrica, direita e tem o mesmo tamanho do objeto.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O fenómeno observado na fotografia deve-se à refração da luz.
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com esta experiência, a luz move-se mais depressa na água do que no azeite.
Verdadeiro
Falso
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