Fenómenos acústicos
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Easy
Ana Anjos
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando incide numa superfície o som ...
não pode ser absorvido nem refratado
pode ser refletido e refratado, mas não absorvido
pode ser absorvido e refletido, mas não refratado
pode ser refletido, absorvido e refratado
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere a seguinte figura. A seta azul indica o som ...
refletido
refratado
incidente
aborvido
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera a seguinte figura. O som refletido é representado pela seta de cor ...
de vinho.
vermelha.
preta.
azul.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As paredes de uma sala anecóica
refletem bem o som.
são feitas de material liso e polido.
absorvem bem o som.
refratam bem o som.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No ar, à temperatura ambiente, para que se perceba o eco o obstáculo deve estar a cerca de
17 m
170 m
1,7 m
34 m
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reverberação ocorre sobretudo
em espaços abertos.
ao ar livre.
em espaços fechados.
na praia.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reverberação resulta
da absorção do som.
da refração do som.
da reflexão do som por obstáculos próximos.
da reflexão do som por obstáculos distantes.
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