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Thursday, 02 April 2026
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In a compound microscope, the image formed by the objective lens is at a distance of ...

In a compound microscope, the image formed by the objective lens is at a distance of 3.0cm from the eye lens. Calculate the focal length of the eye lens
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 0.3cm
  • B 2.7cm
  • C 3.4cm
  • D 8.3cm
Correct Answer: Option C
Explanation:
\(\frac{1}{f} = \frac{1}{u} + \frac{1}{v} = \frac{1}{3} - \frac{1}{25} = \frac{22}{75}\)
f = 3.4cm

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