un local length 12 cm. What is the position, and An object, 1 cm in height, is placed at 20 cm from a convex lens. A real, inverted image 2 cm in height is formed Ans. -5.4 cm virtual erect and diminished) at 40 cm from the lens. Draw a to-the-scale ray diagram and calculate (a) its focal length, and (b) magnification produced by the lens.
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