Lecture 4 - Curved Refracting Surfaces Flashcards
1
Q
Real Object:
- Emits _______ light
- Object distance _______
- Object vergence _______
A
Emits DIVERGENT light
Object distance negative
Object vergence negative
2
Q
Real Image:
- When converging light leaves a refracting surface.
- Object distance _______
- Object vergence _______
A
- When converging light leaves a refracting surfaces.
- Image distance positive.
- Image vergence positive.
3
Q
Virtual Object:
- When converging light is incident on a surface.
- Object distance _______
- Object vergence _______
A
- When converging light is incident on a surface.
- Object distance is positive.
- Object vergence is positive.
4
Q
Virtual Image:
- When diverging light leaves a refracting surface.
- Object distance _______
- Object vergence _______
A
- When diverging light leaves a refracting surface.
- Image distance negative
- Image vergence is negative.
5
Q
L < 0
A
Real Object
6
Q
L > 0
A
Virtual Object
7
Q
L’ > 0
A
Real Image
8
Q
L’ < 0
A
Virtual Image
9
Q
Positive Power Lens
RO el = infinity
A
–> RI el’ = f’
10
Q
Positive Power Lens
RO: el = f
A
–> RI: el’ = infinity
Collimating Lens!!!!!
11
Q
Negative Power Lens
RO: el = infinity
A
–> VI: el’ = f’
12
Q
Negative Power Lens
VO: el = f
A
–> RI: el’ = infinity
13
Q
Positive Power Lens
RO: el = 2f
A
–> RI: el’ = 2f’
14
Q
Negative Power Lens
VO: el = 2f
A
–> VI: el’ = 2f’
15
Q
A Lens clock measures S/focal power, but displays S/focal power
A
Measures s, but displaces focal power
16
Q
Lens clock red
A
Concave surface, aka MINUS power
17
Q
Lens clock black
A
Convex surface, aka PLUS power
