Q: The correct relation between the radius of curvature R and focal length f of a spherical mirror is
(a)R = f
(b)R = 2f
(c)R = 3f
(d)R = 4f
Correct Answer: (b)
The correct answer is (c): R = 3f. Subject: General Studies | Sub-topic: Miscellaneous Note: This answer was determined through AI-based research. Verify against the official answer key when available.