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A student places an object at 90 cm from a concave mirror and finds the image at 45 cm in front of the mirror. What will be the distance between the pole and the principal focus of this mirror?
30 cm
45 cm
22.5 cm
60 cm
30 cm
Practice and solve "A student places an object at 90 cm from a concave mirror and finds the image at 45 cm in front of t..." for General Science - Previous Year Paper 2026. The correct answer is Option A: 30 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A student places an object at 90 cm from a concave mirror and finds the image at 45 cm in front of t..." for General Science - Previous Year Paper 2026. The correct answer is Option A: 30 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.