This document discusses converging lenses and how they affect beams of light. It explains that converging lenses cause light beams to converge and focuses diverging rays. The focal length of a lens depends on how curved the lens is, with more curved lenses having shorter focal lengths. Ray diagrams are presented to illustrate how the position of an object relative to the focal length affects the image formation in terms of size, orientation, and position of the real or virtual image.

1. P5h Optics

3. P5h Optics

5. P5h Optics Image Lens Convex Focal point Focal length

7. P5h Optics

9. P5h Optics Ray Diagrams

10. P5h Optics 1. 2. 3.