If a convex lens of focal length 12cm is used to produce a real image...
PHYSICS
JAMB 2008
If a convex lens of focal length 12cm is used to produce a real image four times the size of the object, how far from the lens must the object be placed?
- A) 10 cm
- B) 15 cm
- C) 20 cm
- D) 25 cm
Correct Answer: B) 15 cm
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