Som e Luz (revisões do 8.º ano)
Quiz
•
Physics
•
8th - 9th Grade
•
Hard
Ana Neves
Used 89+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O estudo do som faz parte de um ramo da Física que se designa por...
mecânica.
ótica.
acústica.
ondulatória.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é a unidade de frequência no Sistema Internacional?
Segundo (s)
Hertz (Hz)
Metro por segundo (m/s)
Decibel (dB)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A velocidade de propagação do som calcula-se pela fórmula matemática:
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Os atributos do som são:
altura, intensidade e timbre.
altura, frequência e timbre.
amplitude, período e timbre.
amplitude, comprimento de onda e timbre.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Um som baixo também pode ser chamado ________ e sabemos que tem ________ pequena.
grave / amplitude
agudo / frequência
grave / frequência
agudo / amplitude
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Um som forte tem maior...
frequência.
timbre.
amplitude.
velocidade.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O atributo do som que permite distinguir dois sons com a mesma intensidade e frequência, quando produzidos por instrumentos musicais diferentes, é...
a largura.
o timbre.
a altura.
a amplitude.
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