
Módulo F6 - Som
Authored by Jorge Seabra
Physics
12th Grade
Used 32+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O altifalante converte as ondas sonoras em sinais elétricos.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os nossos ouvidos são recetores sonoros.
Verdadeiro
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As ondas sonoras são ondas mecânicas e propagam-se no vazio.
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para haver som é necessário que um determinado corpo vibre.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As ondas sonoras são ondas transversais.
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nas ondas longitudinais, a direção de vibração é perpendicular à direção de propagação.
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A figura mostra um gráfico da posição em função do tempo de um corpo de massa 1,0Kg que oscila sem atrito na extremidade de um mola elástica.
Qual o Período da oscilação?
22,5s
47,5s
25,0s
35,0s
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