Question

The magnification of 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? Find the nature and the focal length of the lens. If the object is

displaced 20 cm towards the optical centre of the lens, where would be the image formed and what would

be its nature. Draw a ray diagram to justify your answer, using suitable scale.​

Answer 1

Answer:

Hence, the distance of the object from the optical centre of the lens is 12.5 cm.

Explanation:

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