Draw a ray from the object to the lens that is parallel to the principal axis. Once through the lens, the ray should pass through the principal focus. Draw a ray which passes from the object through ...

To understand lenses, 1 must understand that light rays bounce off objects (as small as a single atom) in all directions in a well-lit setting. Of all these nearly infinite light rays, those that come ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

Have you ever wondered how your eyeglasses correct your vision or how a telescope brings distant objects into focus? The answer lies in the fascinating world of optics, specifically in the realm of ...