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RRB Group D (Level-1 posts) 2025 · Question 305 of 386

An object is placed at a distance of 40 cm from a convex lens of focal length 10 cm, X?

  1. A+40/3Correct
  2. B−40/3
  3. C+8
  4. D−8

Answer: A. +40/3

Official answer key verified. Detailed explanation coming soon.

Source: RRB Group D 2024 Question Paper PDF (Dec 27, 2025) (Shift 2) · official-answer-key

← Q304View full paper (386 questions)Q306 →

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