Optique géometrique Flashcards

1
Q

Loi de la Réfraction

A

n1 sin i1 = n2 sin i2

i : angle vers la normale toujours
n : indice de réfraction

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

Comment calculer n?

A

n=c/v

célérité et vitesse

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

Réflexion Totale

A

θlim = θ1 = 90°

n1>n2

θ2 ≥ θlim = θ1

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

Lentilles Convergentes

Si Objet > 2F ?

A

Image Réelle, Inversée, Plus Petite.

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

Lentilles Convergentes

Objet = 2F ?

A

Image Réelle, Inversée, Même Taille.

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

Lentilles Convergentes

2F > Objet > F ?

A

Image Réelle, Inversée, Plus Grande.

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

Lentilles Convergentes

Objet = F ?

A

Image à l’infini.

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

Lentilles Convergentes

Objet < F ?

A

Image Virtuelle, Droite, Plus Grande.

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

Lentilles Divergentes

F < Objet < 2F

A

Image Virtuelle, Droite, Plus Grande, Du côté de l’objet.

1/F= 1/A + 1/B

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