A Simple Camera Lens with Focal Object Length F_o =

question 25

Multiple Choice

A simple camera lens with focal object length f_o = 3.00 cm perfectly focuses the image of an object on a photographic film located a distance 14.00 cm away from the lens.The object now moves away from the lens and the new focal distance is 13.00 cm. (a) How far did the object move? (b) What is the new magnification?

• A)(a)0.08 cm (b)3.33
• B)(a)0.03 cm (b)0.30
• C)(a)990.00 cm (b)0.23
• D)(a)12.22 cm (b)4.33

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