JAMB Physics 2018 Objective — Question 25
Question 25 of 38 from the Joint Admissions and Matriculation Board (JAMB) Physics 2018 Objective paper, with the correct answer and a full explanation.
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An object is positioned between two plane mirrors inclined at right angles to each other. The object is 1 unit distance from each mirror. The number of images formed is
- A. 1
- B. 2Correct
- C. 3
- D. 4
Explanation
For two mirrors at 90°, the number of images formed = (360/θ)−1 = (360/90)−1 = 3, matching option C in the source key; the count of images includes the multiple reflections formed.
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