Som
Quiz
•
Physics
•
8th - 12th Grade
•
Practice Problem
•
Medium
Marina Balbina
Used 584+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este instrumento é um instrumento de ...
... cordas
... sopro
... percussão
... teclas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um piano produz o seu som característico quando vibram...
as suas cordas
o corpo do piano
o ar dentro do piano
as suas teclas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O som é uma onda de pressão porque é produzido por ....
partículas que vibram e chocam
radiações eletromagnéticas
partículas que vibram sem chocar
partículas que chocam sem vibrar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma onda sonora é...
Longitudinal e mecânica
Longitudinal e eletromagnética
Transversal e mecânica
Transversal e eletromagnética
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As camadas de ar com maior pressão são
zonas de rarefação, com menor densidade.
zonas de rarefação, com maior densidade.
zonas de compressão, com menor densidade.
zonas de compressão, com maior densidade.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao tempo que um objecto demora a realizar uma vibração completa, chama-se....
amplitude
período
comprimento de onda
frequência
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número de vibrações que ocorrem num segundo, chama-se...
comprimento de onda
período
amplitude
frequência
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