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A photographer uses a concave lens of focal length 12 cm. The object is placed 18 cm from the lens. Using the sign convention, calculate the image distance (v)?
-36 cm
+36 cm
-7.2 cm
+7.2 cm
7.2 cm
Practice and solve "A photographer uses a concave lens of focal length 12 cm. The object is placed 18 cm from the lens. ..." for General Science - Previous Year Paper 2026. The correct answer is Option C: 7.2 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A photographer uses a concave lens of focal length 12 cm. The object is placed 18 cm from the lens. ..." for General Science - Previous Year Paper 2026. The correct answer is Option C: 7.2 cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.