Question

An object is placed at a distance of 75cm from a screen. where should a convex lens of focal length 12 cm be placed to obtain is image of the object on the screen???

Answer 1

Answer:

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Answer 2

Explanation:

An object is placed at a distance of 75cm from the screen where a convex lens of focal length 12cm should be placed so that real image of the obj is formed at the screen