Condition 2: When the object is placed at a finite position, a virtual image is formed between the pole and the focus of the concave lens. The size of the image formed is smaller than the object ...

Rules for obtaining images formed by convex lens. In convex lens, the image is always formed at a point where at least two refracted light rays meet.. Rule 1: A ray of light which is originally ...

Convex lenses. The type of image formed by a convex lens depends on the lens used and the distance from the object to the lens. Back to top. How to draw a lens ray diagram.

Lenses can also be formed with a cylindrical surface, either convex or concave, which will magnify or reduce, respectively, an image in only one direction. These lenses are often combined with a ...

A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Convex lenses are most suitable where the object and image are on opposite sides of the lens, and are ...