WAEC Physics 2022 Objective — Question 14
Question 14 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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An object is placed at different distances, u, from a converging lens of focal length, 15.0cm. For what value of u does the lens act as a simple microscope?
- A. u=15 cm only
- B. u=30 cm
- C. u<15 cm onlyCorrect
- D. u>30 cm only
Explanation
A converging lens acts as a simple microscope (magnifying glass) when the object distance u is less than the focal length (u<f), producing a virtual, magnified image.
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