A Simple Digital Camera Lens with Focal Length $f _ { 0 } = 3.00 \mathrm {~cm}$

question 43

Multiple Choice

A simple digital camera lens with focal length $f _ { 0 } = 3.00 \mathrm {~cm}$ perfectly focuses the image of an object on a CCD sensor located a distance $14.00 \mathrm {~cm}$ away from the lens.The object now moves away from the lens and the new distance between the lens and sensor is $13.00 \mathrm {~cm}$ (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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Definitions:

Collective Action Theory

A theory that examines how individuals work together to achieve shared objectives, often in pursuit of public goods or to address collective problems.

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