Why concave lens diverge and convex lens converge light rays?

gwestaikd4

gwestaikd4

Answered question

2022-12-24

Why concave lens diverge and convex lens converge light rays?

Answer & Explanation

Keely Franco

Keely Franco

Beginner2022-12-25Added 11 answers

The center of concave lenses is thinner. Consequently, light rays that pass through the lens are dispersed (they diverge). A diverging lens is one that is concave.
Light traveling in parallel is refracted by a concave lens, appearing to emanate from a single point known as the central focus.
Middle convex lenses are thicker. Consequently, as light rays pass through the lens, they become closer together (they converge). A converging lens is one that is convex.
The principal focus is the location where refracted light rays converge when parallel light rays pass through a convex lens.

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