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Q: Distance between the pole and center of curvature of a spherical mirror in terms of it focal length is equalant to ____
  • A. f/4
  • B. f/2
  • C. f
  • D. 2f
Correct Answer: Option D - Distance between the pole of any spherical mirror with its center of curvature (C) is called radius of curvature (r) and r is twice of 'f ' ∴ r = 2f
D. Distance between the pole of any spherical mirror with its center of curvature (C) is called radius of curvature (r) and r is twice of 'f ' ∴ r = 2f

Explanations:

Distance between the pole of any spherical mirror with its center of curvature (C) is called radius of curvature (r) and r is twice of 'f ' ∴ r = 2f