A Fixed Focus Camera Has a Focal Length of 35

question 14

Multiple Choice

A fixed focus camera has a focal length of 35.0 mm.How far must the lens be moved in order to change focus from an object that is 20.0 m away to one that is 3.0 m away?

• A) 0.34 mm
• B) 0.41 mm
• C) 0.35 mm
• D) 0.47 mm

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Definitions:

Lobbying

The act of attempting to influence decisions made by officials in the government, often by different interest groups.

Federal Government

A system of government where power is divided between a national (federal) government and various regional governments.

Astroturf Lobbying

A political strategy that simulates grassroots support for an issue, often sponsored by corporations or interest groups to create the appearance of widespread public backing.

Grassroots Organizations

Organizations that use collective action from the local level to effect change at the local, regional, national, or international level, often through community involvement.