A concave mirror of radius of curvature 40 cm forms a real image twice as
PHYSICS
JAMB 2002
A concave mirror of radius of curvature 40 cm forms a real image twice as large as the object. the object distance is
- A. 10 cm
- B. 30 cm
- C. 40 cm
- D. 60 cm
Correct Answer: B. 30 cm
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