AP Physics 2hardmcq1 pt
A converging lens forms a real image at 12 cm with an object at 6.0 cm. The focal length is
A.4.0 cm
B.18 cm
C.2.0 cm
D.6.0 cm
Explanation
Core Concept
1/f = 1/6 + 1/12 = 3/12, so f = 4.0 cm.
Correct Answer
A4.0 cm
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