A Magnifying Glass Has a Convex Lens of Focal Length

question 32

Short Answer

A magnifying glass has a convex lens of focal length 15 cm. At what distance from a postage stamp should you hold this lens to get a magnification of +2.0?

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Definitions:

Alcohol

A psychoactive substance found in drinks such as beer, wine, and spirits, known for its effects on mood, behavior, and consciousness.

Developmental Psychologists

Professionals specializing in the scientific study of how and why human beings change over the course of their life, from infancy through adulthood and aging.

Life Cycle

The series of changes in the life of an organism, including reproduction, development, and eventually death.

Social Changes

Alterations in the structure and functioning of a society over time, often owing to advances in technology, changes in economy, or cultural shifts.