A convex lens has a focal length of 8 cm. An object that is 4 cm tall is placed at unknown distance from the lens and produces a virtual image that is 6 cm away from the lens. What is the distance of the object from the lens? What is the magnification? Is the image upright or inverted?

A convex lens has a focal length of 8 cm. An object that is 4 cm tall is placed at unknown distance from the lens and produces a virtual image that is 6 cm away from the lens. What is the distance of the object from the lens? What is the magnification? Is the image upright or inverted?

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Question

A convex lens has a focal length of 8 cm. An object that is 4 cm tall is placed at unknown distance from the lens and produces a virtual image that is 6 cm away from the lens.