Lenses Flashcards
(2 cards)
0
Q
What are the two basic types of lens?
A
- Convex or converging lens
• thickest in the middle and causes incident parallel light rays to bend - Concave or diverging lens
• a lens that is thinnest in the middle and causes incident parallel light rays to bend
1
Q
What is a lens?
A
A transparent object with at least one curved surface that causes light to refract