Question

An object is placed at a
distance of 20 cm from a
convex lens and its real and
inverted image of the same
size is formed on a screen
placed on the other side of the
I lens. The focal length of the
lens is​

Answer 1

Answer:

yes it is a branliest answer

Explanation:

qurstion is only half there is no number for focal length of lens

Answer 2

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When an object is placed at the centre of curvature in front of a convex lens, its image is formed at the centre of curvature on the other side of the lens. The image formed is real, inverted, and of the same size as the object.