JAMB Physics 2022 Objective — Question 34
Question 34 of 41 from the Joint Admissions and Matriculation Board (JAMB) Physics 2022 Objective paper, with the correct answer and a full explanation.
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Diverging lens of focal length 30 cm produces image 20 cm from lens. Object distance:
- A. 10 cm
- B. 12 cm
- C. 60 cmCorrect
- D. 50 cm
Explanation
f=−30, v=−20; 1/u=1/f−1/v=−1/30+1/20=1/60 → u=60 cm.
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