“A lens can form a magnified erect image as well as magnified inverted image of an object placed in front of it”. State the nature of this lens and draw ray diagrams to justify the above statement. Mark the positions of O, F, and 2F in the diagram.
The nature of this lens is convex. Thus it is a convex lens.
When the object is placed between the focus $F'$ and the optical centre $O$ a magnified erect image is formed as shown below.
When the object is placed between the focus $F'$ and $2F'$ a magnified inverted image is formed as shown below.
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