Question

Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what?

Answer 1

focus

Convex lenses are thicker in the middle than at the edges. They cause rays of light to converge, or meet, at a point called the focus  F . Convex lenses form either real or virtual images. It depends on how close an object is to the lens relative to the focus. Figure below shows how a convex lens works. You can also interact with an animated convex lens at the URL below. An example of a convex lens is a hand lens.