punt jogger galop converging lens virtual image weggooien Appal belofte
The elements of vegetable histology. Plant anatomy. B' Fig. 12.—Formation of Virtual Image by Convex Lens. 1. Optic axis. 2. Focal points. A-B. Object within focal point (2). A'-B'. Virtual image
Draw a ray diagram to show formation of a virtual image of an object by convex lens. Using this diagram, obtain the expression for the lens formula.