PhysicsOptical instrumentsWAEC
A converging lens of focal length 5 cm is used as a magnifying glass with the final image at the near point, 25 cm away. Find the magnification.
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Answer: C. 6
m = 1 + D/f = 1 + 25/5 = 6.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.