Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. You find that you can project a magnified image of a lightbulb onto the wall of your bathroom if you hold the mirror 1.9m from the bulb and 3.0m from the wall.
Part A What is the magnification of the image?
Part B Is the image erect or inverted?
Part C What is the focal length of the mirror? (in meters)