size of an object that is located 10 cm in front of it. What is the focal length of the mirror? 1. Using a venn diagram, compare and contrast a mirror and a lens as optical devices. 2. What are difference between a converging lens and diverging lens? 1. In your own words, describe the formation of images by the light rays reflected by a mirror. 2. A 6cm pen is placed in 12cm in front of a convex mirror with a radius of 40cm. Describe the formed image.Define the following terms and give at least two examples each. a. Plane mirror b. Convex mirror c. Concave mirror 1. How do you determine whether the image is real or virtual? 1. A convex mirror produces an image that is one-sixth the