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22-02-2024
Physics

contestada

An object is placed 45.2 cm from a thin converging lens along the axis of the lens. If a real image forms behind the lens at a distance of 12.8 cm from the lens, what is the focal length of the lens ?
A. 11.7 cm
B. 10 cm
C. 15.2 cm
D. 12 cm
E. 3.45 cm

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