1T4C1 - Ondes mécaniques
Quiz
•
Science, Physics
•
1st Grade
•
Medium
Charlotte Baranger
Used 6+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Un signal sonore ne se propage pas :
Dans un milieu matériel
Dans un solide
Dans le vide
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La plus petite durée au bout de laquelle un signal sonore se reproduit est :
La période T de ce signal sonore
La fréquence f de ce signal sonore
La vitesse v de ce signal sonore
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La période du signal sonore représenté ci-dessus est :
3,0 V
2,0 ms
2,0 s
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La fréquence f d'un signal sonore est proche de 250 Hz. Sa période T est proche de :
0,04 s
4 ms
4 µs
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La durée Δt entre l'émission et la réception de l'écho par un sonar est :
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