RRB Group D (Level-1 posts) 2022 · Question 419 of 598
Power (P) = 1/f (in meters). Here, f = -0.5 m, so P = -5 D.
Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 3) - Prepp · reliable-secondary
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