Set 1 Flashcards
1
Q
Relationship between surface power and secondary focal length
A
F = n’/f’
2
Q
Relationship between surface power and primary focal length
A
F=-n/f
3
Q
Image formation by spherical surfaces
A
Three rays
- A parallel ray, passes through F’
- A ray that passes through C does not deviate
- A ray that passes through F, emerges parallel to the optical axis
4
Q
Snells law
A
n1 sin(pheta1)= n2 sin(pheta2)
5
Q
Object vengeance
A
L=n/l
6
Q
Image vergence
A
L’=n’/l’
7
Q
The vergence relationship
A
L+F=L’
