Aconvex (converging) lens produces a real, inverted image of an object that is magnified 2.20 times when the object is 43.0 cm from the lens. what is the focal length of the lens? (cm)

29.56 cm

Explanation:

Given

magnification is 2.2

Object distance(u)=43 cm

and we know

And focal length of convex lens is given by

f=29.56 cm

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explanation: