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What is the sign of the focal length for a convex lens as per the sign convention for spherical lenses?
Zero
Variable
Negative
Positive
Positive
Practice and solve "What is the sign of the focal length for a convex lens as per the sign convention for spherical lens..." for General Science - Previous Year Paper 2025. The correct answer is Option D: Positive. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "What is the sign of the focal length for a convex lens as per the sign convention for spherical lens..." for General Science - Previous Year Paper 2025. The correct answer is Option D: Positive. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.