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  9. Q191

RRB Group D (Level-1 posts) 2022 · Question 191 of 598

The distance between the pole and the center of curvature of a spherical mirror, in terms of its focal length f, is equal to:

  1. Af
  2. B2fCorrect
  3. Cf/2
  4. Df/4

Answer: B. 2f

Explanation

The distance between the pole and the center of curvature of a spherical mirror is twice the focal length, or 2f.

Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 2) - Prepp · reliable-secondary

← Q190View full paper (598 questions)Q192 →

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