Lenses Flashcards
1
Q
What happens when the parallel rays past through the convex lens?
A
They converge
2
Q
What happens when the parallel rays pass through the concave lens?
A
They diverge
3
Q
How to lenses work
A
The curved surfaces, refract light and bends it
4
Q
What lens do you use to focus
A
Convex
5
Q
What lens do you use to spread out
A
Concave