2.1 - Les proprieties des ondes Flashcards

1
Q

What is the definition of an “onde”?

A

un mouvement qui transmet de l’énergie à travers la matière ou le vide, sans causer de
déplacement permanent.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the definition of “energie”?

A

la capacité d’appliquer une force sur une distance donnée.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

La position de repos

A

le niveau de l’eau en l’absence
de vagues.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Une crête

A

le point le plus élevé d’une vague

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Un creux

A

le point le plus bas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

La longueur d’onde

A

la distance entre deux
crêtes ou deux creux.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What unit does the longeur d’onde use?

A

meters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

L’amplitude

A

est la hauteur de la crête d’une onde ou
la profondeur de son creux, mesurée à partir de sa
position de repos.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

La fréquence

A

le nombre de fois qu’un
mouvement, ou une oscillation, se répète pendant une
période donnée.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

C’est quoi l’unite des frequence?

A

La fréquence est mesurée en hertz
(Hz).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

C’est quoi la formule pour trouver le frequence?

A

f=Osc/t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

oscillation, ou vibration.

A

Chaque cycle de mouvements vers le haut et vers le bas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the relation ship between the longeur d’onde and the frequence called?

A

une relation de proportionnalité
inverse.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the material that the onde se deplace?

A

medium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Do ondes have to have a medium?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the two types of ondes?

A

transversales
compression

17
Q

How does the va et vient de la mateire move in relation to the propogation de onde?

(traversale)

A

perpendiculairement

18
Q

How does the va et vient de la mateire move in relation to the propogation de onde?

(compression)

A

meme direction

19
Q

How does a sismomètre work?

A

they use a heavy weight to track movement.

20
Q

What type of ondes is earthquakes?

A

Both at the same time.

21
Q

How does amplitude relate to the power?

A

MOre amplitude = More energy

22
Q

How does frequence relate to the power?

A

More frequence= more power