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In a projection lantern of focal length f, the object distance u, is such that

In a projection lantern of focal length f, the object distance u, is such that
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A U > 2f > f
  • B U < f < 2f
  • C U = f < 2f
  • D F < u < 2f
Correct Answer: Option D
Explanation:

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