(a(i))[1]
On Fig. 7.1, draw a second ray from X so that the image position can be found.
(a(ii))[1]
On Fig. 7.1, draw an arrow to show the image of OX and label it I.
(a(iii))[1]
On Fig. 7.1, indicate a principal focus for the lens and label it F.
(a(iv))[1]
On Fig. 7.1, measure and record the focal length of the lens.
(b)[2]
Describe the image I. Select words from the list and tick (✓) two boxes. • enlarged • diminished • same size • inverted • upright