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  9. Q113

RRB Group D (Level-1 posts) 2022 · Question 113 of 598

The distance between the focus and the center of curvature of a spherical mirror, in terms of the radius of curvature R, is equal to:

  1. A2R
  2. BR/2Correct
  3. CR/4
  4. DR

Answer: B. R/2

Explanation

For a spherical mirror, the focal length (f) is R/2. Therefore, the distance between the focus and the center of curvature is R/2.

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

← Q112View full paper (598 questions)Q114 →

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