A 5 cm tall object is placed 15 cm in front of a 5 cm focal length concave mirror. Make a detailed ray diagram at scale which shows the original object and the resulting image position and height. Indicate the three properties which apply to the image (real vs. virtual, enlarged vs. reduced, upright vs. inverted). (b) A 12 cm tall object is placed 4 cm behind a concave lens. Its image is virtual and located 3 cm (also) behind the lens. What is the focal length of the lens? Make a detailed ray diagram at scale which shows the original object and the resulting image position and height. Indicate the three properties which apply to the image