Ray Diagram Lenses. They come together at a point called the principal focus. Draw a ray which passes.
A ray of light emerging from the lens is an emerging ray. A ray from the top of the object through the middle of the lens. The three principal rays which are used for visualizing the image location and size are.
By drawing rays and following some basic rules we can figure out what image will be produced by a lens.
There are some rules which we use to obtain images in a ray diagram lets look at them rule 1 ray parallel to principal axis will pass through focus for a convex lens we see that ray passes through focus on right side for a concave lens we see that ray appears to pass through focus. The mcqs of chapter 10 light have already been uploaded on this channe. Last updated at oct. The optical axis is the line that passes through the center of the lens.