Ondes 5P
Authored by Yous Bk
Science, Physics
8th Grade
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle de ces affirmations est incorrecte ?
Le son a besoin de matière pour se propager
Le son se propage plus vite dans les solides rigides
Le son est une onde électromagnétique
Le son ne peut pas se propager dans le vide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quelle caractéristique du son correspond le numéro 2 ?
L'amplitude
Le minimum de l'onde
Le maximum de l'onde
La longueur d'onde
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Je me calcule en Hertz (Hz).
Le niveau sonore
La vitesse
La fréquence
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lors de la puberté, la voix des garçons devient plus grave car...
la vitesse diminue
la vitesse augmente
la fréquence diminue
la fréquence augmente
5.
MULTIPLE CHOICE QUESTION
30 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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fréquence est le nombre...
de phénomènes par seconde
de mètres par seconde
de secondes par mètres
7.
MULTIPLE SELECT QUESTION
30 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
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