lenses Flashcards
1
Q
What is a lens?
A
Transparent object with at least 1 curved side that causes light to refract.
2
Q
What are the types of lenses?
A
Plane/plano, convex, concave.
3
Q
How do light rays behave in lenses?
A
Converge or diverge.
4
Q
What is a converging lens?
A
Brings parallel rays to a common point.
5
Q
Which lens converges?
A
Convex/biconvex.
6
Q
What is a diverging lens?
A
Spreads rays away from a common point.
7
Q
Which lens diverges?
A
Concave/biconcave.
8
Q
What does more curvature mean for the rays?
A
Rays bend more.
9
Q
How are the real and virtual sides different in lenses?
A
They flip.
10
Q
What is the focal length in diverging lenses?
A
Negative.
11
Q
What is the LOST for images in diverging lenses?
A
Always upright, virtual, smaller, closer to the lens.
