Le son-période et fréquence
1st - 2nd Grade
•13 Qs
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Le son-période et fréquence
Quiz
•
Physics
•
1st - 2nd Grade
•
Practice Problem
•
Hard
Used 33+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La période de ce signal est...
1.6 ms
0.4 ms
0.8 ms
1.8 ms
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La période de ce signal est...
0.2 ms
0.4 ms
0.8 ms
0.6 ms
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pour calculer la fréquence, on prend...
f = 1 / T
f = ƛ / T
f = ƛ / c
f = 1 / c
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
L'oreille humaine entend des sons de...
20 à 20 000 Hz
10 à 30 000 Hz
20 à 10 000 Hz
100 à 30 000 Hz
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La fréquence est le nombre...
de périodes par seconde
de mêtres par seconde
de secondes par mêtre
de périodes par mêtre
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dans l'espace personne ne vous entendra crier car...
c'est le vide
il n'y a pas d'air
c'est trop loin
il fait trop froid
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
le son est...
un déplacement d'air
une vibration d'un objet
un mouvement de molécules
un phénomène inexpliqué
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