In a compound microscope, the image formed by the objective lens is at a distance...
PHYSICS
WAEC 2002
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
- A. 0.3cm
- B. 2.7cm
- C. 3.4cm
- D. 8.3cm
Correct Answer: C. 3.4cm
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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