A diverging lens will produce a virtual image, no light actually focuses to the image position. This virtual image can not be projected onto a screen and would not expose film since no light is actually at the image position. Virtual images are very common such as the image in a flat mirror.
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Double Concave lens
- On your desk is a double concave lens.
- Try to determine the image position for some object at several nearby distances. (This is not easy to do, you will probably only be able to make a rough estimate of where the image is)
- Draw a sketch in your notebook of the lens showing your view and the apparent image of a nearby object.
- Describe some experiment that could be done to more accurately determine the image position