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A lens is forming the image of an object...

A lens is forming the image of an object on its axis. If the lens is placed with its faces reversed, will the position of image change ?

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No, the image will be formed at the same position.This is bacause when `R_1` and `R_2` are interchanged, focal length `f` of lens does no change : `(1)/(f) = (mu - 1)((1)/(R_1) - (1)/(R_2))`.
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