12 - Produção e propagação do som
Authored by César Marques
Physics
8th Grade
Used 9+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O som é produzido pela vibração de materiais.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O movimento repetitivo em torno de uma posição de equilíbrio chama-se
frequência.
vibração.
fonte sonora.
hertz.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O material que vibra e produz som chama-se
fonte luminosa.
sonómetro.
fonte sonora.
fonte vibratória.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fonte sonora num instrumento musical de cordas
Coluna de ar
Madeira
Cordas
Metal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fonte sonora num instrumento musical de sopro
Coluna de ar
Madeira
Cordas
Metal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fonte sonora num instrumento musical de percussão
Coluna de ar
Madeira
Cordas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A vibração das cordas de um instrumento musical produz som.
Verdadeiro
Falso
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