We wish to obtain an equal sized inverted image of a candle flame on a screen kept at distance of 4 m from the candle flame.
- Name the type of lens that should be used.
- What should be the focal length of the lens and at what distance from the candle flame the lens be placed.
- Draw a labelled diagram to show the image formation in this case.
a) Convex lens
b) Focal length of the lens is 2 m.
Distance of candle flame from the lens is 4 m.
c) Ray Diagram