
Atributos do som, o ouvido humano e fenómenos acústicos
Quiz
•
Physics
•
8th Grade
•
Hard
Margarida M
Used 4+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O atributo que permite distinguir sons fortes de sons fracos chama-se:
timbre.
altura.
intensidade.
frequência.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Altura do som é o atributo que permite distinguir:
sons puros de sons complexos.
sons agudos de sons graves.
sons fortes de sons fracos.
sons de volume elevado e de volume reduzido.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A intensidade do som:
pode relacionar-se com o período da onda sonora.
diminui à medida que o som se propaga.
se for pequena, o som é ouvido mais longe da fonte sonora.
pode relacionar-se com a velocidade da onda sonora.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os sons correspondentes a ondas com pequena amplitude são:
sons baixos.
sons fracos.
sons simples.
sons complexos.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A nota Dó tem uma frequência de 132 Hz e a nota Lá de 440 Hz. Então:
a nota com maior número de vibrações por cada segundo é a nota Dó.
a nota Dó corresponde um som mais agudo.
a nota com maior período é a nota Lá.
a nota Lá corresponde um som mais agudo.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os sons correspondentes a ondas com grande frequência chamam-se sons:
altos.
fortes.
complexos.
graves.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cordas de viola curtas e colunas de ar das flautas também curtas originam sons:
agudos.
fracos.
graves.
fortes.
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