(Answered) An object located 323 cm in front of a lens forms an image

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An object located 32.3 cm in front of a lens forms an image on a screen 9.69 cm behind the lens. Find the focal length of the lens. Answer in units of cm.

010 (part 2 of 2) 10.0 points What is the magni?cation of the object? How do you find the magnification of an object?

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