A Simple Digital Camera Lens with Focal Length

question 28

Multiple Choice

A simple digital camera lens with focal length
Perfectly focuses the image of an object on a CCD sensor located a distance
Away from the lens.The object now moves away from the lens and the new distance between the lens and sensor is
(a) By what amount did the object change its distance from the lens?
(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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