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A student observes that when an object is placed at 15 cm from a mirror, the image is formed at 30 cm on the same side. What is the focal length of the mirror?
-10 cm
-12 cm
-8 cm
-5 cm
10 cm
Practice and solve "A student observes that when an object is placed at 15 cm from a mirror, the image is formed at 30 c..." for General Science - Previous Year Paper 2026. The correct answer is Option A: 10 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A student observes that when an object is placed at 15 cm from a mirror, the image is formed at 30 c..." for General Science - Previous Year Paper 2026. The correct answer is Option A: 10 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.