Signaux et fréquences
Quiz
•
Physics, Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Nicolas BERTRAN
Used 75+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Définir le terme de fréquence
C'est le nombre de motif élémentaire en 1 s
C'est le nombre de motif élémentaire en 1h
C'est la durée d'un motif élémentaire
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Quelle est la durée d'un motif élémentaire (en s)
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Quelle est la durée d'un motif élémentaire (en s)
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Quelle est la durée du motif élémentaire (en s)
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
L'unité de la fréquence est
le Hertz (Hz)
La seconde (s)
elle n'a pas d'unité
en mètre (m)
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Les signaux de plus haute fréquence que les signaux visibles sont
Les rayon X
Les U.V.
Les I.R.
Les micro-ondes
Les ondes radio
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Calcule la fréquence.
Signal : 300 motifs élémentaires par s
300 Hz
3 Hz
1 Hz
50 Hz
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