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

question 84

Multiple Choice

A simple digital camera lens with focal length $f _ { O } = 3.00 \mathrm {~cm}$ 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) \(0.08 \mathrm {~cm}\)
• (b) \(3.33\)
• B) (a) \(0.03 \mathrm {~cm}\)
• (b) \(0.30\)
• C) (a) \(12.22 \mathrm {~cm}\)
• (b) \(4.33\)
• D) (a) \(990.00 \mathrm {~cm}\)
• (b) \(0.23\)

Understand and critique theories related to crowd behavior, including the perspectives of deindividuation and rational collective action.

Understand the evolving terminology and concepts within the study of collective action and behaviors.

Analyze the causes and dynamics of riots and lynchings through the lens of breakdown theory.

Identify and evaluate the social and demographic groups likely to support or oppose universal citizenship.

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Definitions:

Late Start

The latest possible time a task can begin without delaying the project completion date in project management.

Activity Duration

The total length of time required to complete a specific task or activity from start to finish.

Critical Path

The sequence of stages determining the minimum time needed to complete a project, considering all dependencies and task durations.

Project Variance

The difference between planned and actual project performance, often measured in terms of cost or time.