Émission et perception d’un son, vision et image - Évaluation diagnostique (2de)

Quiz
•
Science
•
10th Grade
•
Medium
Used 38+ times
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux ?
Un son peut se propager dans le vide.
Vrai
Faux
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La vitesse de propagation d'un signal (sonore, lumineux...) se calcule par la formule...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En quelle unité s'exprime la fréquence d'un son ?
En newton (N)
En seconde (s)
En joule (J)
En hertz (Hz)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'oreille humaine peut entendre des sons de fréquences comprises entre...
20 Hz et 200 Hz
20 Hz et 20 000 Hz
2 Hz et 2000 Hz
2 Hz et 200 000 Hz
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vrai ou faux ?
La lumière peut se propager dans le vide.
Vrai
Faux
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel rayon lumineux est correctement représenté ?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'année-lumière est une unité de...
distance
temps
vitesse
fréquence
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