Acustică
Quiz
•
Science
•
7th - 10th Grade
•
Practice Problem
•
Medium
Alina Luca
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ce este sunetul?
O undă mecanică
O undă electromagnetică
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sunetele sunt produse de
Surse sonore
Surse luminoase
Surse de căldură
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Sunetul se propagă mai repede în apă decât în aer
adevărat
fals
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sunetul se propagă mai repede în aer decât în lemn
Adevărat
Fals
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sunetul se propagă mai repede în aer decât în vid
Adevărat
Fals
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
În spațiu nu se propagă sunetul.
Adevărat
Fals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viteza sunetului în aer este de aproximativ:
1300 m/s
300 000 000 m/s
340 m/s
5040 m/s
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