Som: características das ondas sonoras
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Ana Mariano
Used 21+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na imagem está representado um instrumento de ...
... cordas
... sopro
... percussão
... teclas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao tocar na corda de uma guitarra, esta vibra "empurrando" os corpúsculos de ar vizinhos com...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O som inicia-se pela vibração da fonte sonora. Num piano, a fonte sonora é...
...a tecla do piano.
...a mão do pianista.
...uma corda no interior do piano.
...uma membrana no interior do piano.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As ondas que se propagam num meio material designam-se por...
...ondas mecânicas.
...ondas energéticas.
...ondas materiais.
...ondas sísmicas.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As ondas mecânicas transportam...
...apenas matéria.
...matéria e energia.
...apenas energia.
Não transportam nada.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
As ondas sonoras são consideradas ondas:
Transversais, como as que observam numa corda.
Longitudinais, como as que é possível observar numa mola.
Podem ser longitudinais ou transversais.
Podem ser longitudinais, transversais ou laterais.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O som propaga-se:
Nos meios materiais sólidos, líquidos e gasosos.
Apenas nos materiais gasosos, como o ar.
Nos materiais sólidos, líquidos e gasosos e ainda no vácuo.
Apenas nos materiais gasosos e líquidos.
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