Lenses Flashcards
(4 cards)
1
Q
What does a converging lens do to light rays that come in parallel?
A
It bends (refracts) them so they meet at a single point called the focus.
2
Q
What is the focus of a lens?
A
The point where light rays meet after passing through a converging lens.
3
Q
What is the focal length of a lens?
A
The distance from the lens to the focus (or to the image formed).
4
Q
What effect does a thicker (more curved) lens have?
A
It bends light more strongly, creating a closer focus and a shorter focal length.
