Le son 1 : phénomène vibratoire / enseignement scientifique
Quiz
•
Physics
•
1st Grade - University
•
Practice Problem
•
Medium
laurent rimbourg
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On le sait tous, un son est un phénomène périodique. Quelle est la définition d'une période T ?
c'est la plus grande valeur de la tension.
C'est la durée du motif élémentaire.
c'est le nombre de motifs élémentaires en 1 seconde.
c'est la durée totale du signal.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Quelle(s) situation(s) repère(nt) correctement le motif élémentaire du signal périodique ?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la période T de ce signal ?
T = 3 V
T = 25 ms
T = 12,5 ms
T = 35 ms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la bonne relation pour la fréquence (en Hertz) ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
un son aigu correspond à un son ...
de grandes fréquences.
fort.
de petites fréquences.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le son émis par un diapason est un son pur. A quel enregistrement correspond un son pur ?
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dans quels milieux de propagation se déplace le son ?
le vide
l'air
l'eau
le métal
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