If the magnification of a lens is +2, the size of the image will be two times of the object.
1. A real image is cast by a lens. What can be said about the magnification produced by the lens? 2. A concave mirror forms an upright image of an object placed at 20 cm from it. The size of the image is two times that of the object. Find the position of the image. [3 MARKS]