A converging lens of focal length 20 cm is used to form a
Chapter 18, Problem 25MCQ(choose chapter or problem)
Problem 25MCQ
A converging lens of focal length 20 cm is used to form a real image 1.0 m away from the lens. How far from the lens is the object?
A. 20 cm
B. 25 cm
C. 50 cm
D. 100 cm
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