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The focal length of a convex lens is 20 cm · What is its power in diopters?
+5 D
5 D
+0.5 D
0.5 D
+5 D
Practice and solve "The focal length of a convex lens is 20 cm · What is its power in diopters?..." for RRB JE CBT-1 - Science · The correct answer is Option A: +5 D · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "The focal length of a convex lens is 20 cm · What is its power in diopters?..." for RRB JE CBT-1 - Science · The correct answer is Option A: +5 D · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.