JAMB Physics 2014 Objective — Question 29
Question 29 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2014 Objective paper, with the correct answer and a full explanation.
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An object is placed 10m from a pinhole camera of length 25 cm. Calculate the linear magnification.
- A. 2.5×10⁻²Correct
- B. 2.5×10⁻¹
- C. 2.5×10¹
- D. 2.5×10²
Explanation
Magnification = image distance/object distance = 0.25m/10m = 2.5×10⁻².
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