(a)[2]
Place a tick (✓) in every box that describes the image correctly: diminished, enlarged, inverted, upright, real, virtual.
(b)[1]
On Fig. 7.1, draw a ray from the tip of the object to the tip of the image that passes through a principal focus of the lens. Label the principal focus F.
(c)[1]
Use the ray drawn in (b) to find the focal length of the lens.
(d)[1]
Draw a second ray that does not pass through a principal focus of the lens, going from the tip of the object to the tip of the image.