GKFix MCQ Question

What is the lens maker's formula for a thin lens in air?

• A. 1/f = (n-1)(1/R₁ + 1/R₂)
• B. 1/f = (n-1)(1/R₁ - 1/R₂)
• C. 1/f = n(1/R₁ - 1/R₂)