Question

the magnification of an image formed by a lens is -1 if the distance between the object and its image is 60 cm what is the distance of the object from the optical centre of the lens find the nature and focal length of the lens if the object is displaced 20 CM towards the optical centre of the lens where would the image be formed and what would be its nature draw ray diagram to justify your answer
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Answer 1

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Answer 2

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