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A convex of focal length f 1 is placed in front of aluminous point p so that the distance of the point p from lens is greater than focal length and the image formed is at the shortest possible distance. If now a concave lens of very large focal length f 2 be placed in contact with first, find the shift in the position of the image.

 



A convex of focal length f1 is placed in front of aluminous point p so that the distance of the point p from lens is greater than focal length and the image formed is at the shortest possible distance. If now a concave lens of very large focal length f2 be placed in contact with first, find the shift in the position of the image.

Grade:12

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