Position of the candle flame = 12.0cm
Position of the lens= 50.0 cm
Position of the screen=88.0 cm
(i) the focal length of the convex lens.
(ii) Find the position of the image of the candle flame if it is shifted towards the lens at a position of 31.0 cm.
(iii) State the nature of the image formed if the candle flame is further shifted towards the lens.