A Magnifying Glass Produces an Angular Magnification of 7

question 43

Multiple Choice

A magnifying glass produces an angular magnification of 7. What is the focal length of this lens if a person whose near point is 28 cm reads a book using this magnifying glass?

• A) 2 cm
• B) 3 cm
• C) 4 cm
• D) 5 cm
• E) 6 cm

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Definitions:

Diffusion of Responsibility

A sociopsychological phenomenon whereby a person is less likely to take responsibility for action or inaction when others are present.

Acculturation

The process by which members of minority groups come to identify with and feel part of the mainstream culture.

Social Distance

The perceived or desired degree of remoteness between members of different social groups, which can affect communication and interaction.

Behavioral Expression

The outward manifestation of emotions, thoughts, or feelings through actions or behaviors.