A floating strawberry illusion can be produced by two parabolic mirrors, each with a focal length of

Question:

A floating strawberry illusion can be produced by two parabolic mirrors, each with a focal length of 7.5 cm, facing each other so that their centers are 7.5 cm apart (Figure). If a strawberry is placed on the bottom mirror, an image of the strawberry forms at the small opening at the center of the top mirror. Show that the final image forms at that location, and describe itscharacteristics.