GKFix MCQ Question

What does the formula (n2 - n1)/R = n2/v - n1/u represent?

• A. The relationship between object distance, image distance, and radius of curvature for refraction at a spherical surface
• B. The relationship between focal length, object distance, and image distance for a lens
• C. The magnification produced by a spherical mirror
• D. Snell's Law in differential form