A Person with Normal Eyesight Uses a Converging Lens of Focal

question 116

Multiple Choice

A person with normal eyesight uses a converging lens of focal length $10 \mathrm {~cm}$ as a magnifying glass to finish an engraving job. To see detail, he holds the lens very close to his eyes. At what minimum distance from the job must he hold the lens?

• A) \(30 \mathrm {~cm}\)
• B) \(20 \mathrm {~cm}\)
• C) \(7.1 \mathrm {~cm}\)
• D) \(9.4 \mathrm {~cm}\)
• E) \(14 \mathrm {~cm}\)

---

Definitions:

Self-managed People

Individuals who take responsibility for their own actions and decisions, often demonstrating high levels of self-discipline.

Spatial Reasoning

The cognitive ability to think about objects in three dimensions and to draw conclusions about those objects from limited information.

Reasoning Ability

The cognitive capacity to process information, draw logical conclusions, and make informed decisions.

Emotional Competence

A learned capability based on emotional intelligence; results in outstanding performance at work.