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An object placed 4 cm in front of a converging lens produces a real image 12 cm from the lens. (a) What is the magnification of the image ? (b) What is the focal length of the lens ? (c) Draw a ray diagram to show the formation of image. Mark clearly F and 2F in the diagram. |
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Answer» An object placed 4 cm in front of a converging lens produces a real image 12 cm from the lens. (a) What is the magnification of the image ? (b) What is the focal length of the lens ? (c) Draw a ray diagram to show the formation of image. Mark clearly F and 2F in the diagram. |
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