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A concave mirror forms an image at a distance of 20 cm when an object is placed 10 cm in front of it. What is the focal length of this mirror?
20 cm
40 cm
10 cm
30 cm
20 cm
Practice and solve "A concave mirror forms an image at a distance of 20 cm when an object is placed 10 cm in front of it..." 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 concave mirror forms an image at a distance of 20 cm when an object is placed 10 cm in front of it..." 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.