What is a biconvex lens and a biconcave lens??

Question

What is a biconvex lens and a biconcave lens??

Answer 1

im not sure if this is photographic lenses or for eye glasses or something,

Bi means two, could be two way or just two

concave is something that has an inward curve like the entrance to a cave

convex is the oppisite

hope that heaps?

a

Answer 2

If you were to cut through the center of the biconvex lens, it would look like this:

( )

If you were to cut through the center of a biconcave lens, it would look like this:

) (

Answer 3

Biconvex/biconcave means both sides of the lens have the curvature instead of one.