1. The problem statement, all variables and given/known data A punctual source of light is in the focal point of a diverging lens. in which distance from the lens is the image. Draw the road of rays. 2. Relevant equations The objects at focal point don't have an image. 3. The attempt at a solution http://s32.postimg.org/ociblmif9/image.png So how should I draw the rays (it says in the problem)?