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A convex lens forms a real image of an object placed at a distance of 30 cm from it. If the image is formed at 60 cm on the other side of the lens, the focal length of the lens is:
20 cm
30 cm
10 cm
15 cm
20 cm
Practice and solve "A convex lens forms a real image of an object placed at a distance of 30 cm from it. If the image is..." for General Science - Previous Year Paper 2024. The correct answer is Option A: 20 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A convex lens forms a real image of an object placed at a distance of 30 cm from it. If the image is..." for General Science - Previous Year Paper 2024. The correct answer is Option A: 20 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.