What Is the Focal Length of a Magnifying Glass That

question 23

Multiple Choice

What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when used by a person with a near point at 28 cm?

• A) 2.0 cm
• B) 3.0 cm
• C) 4.0 cm
• D) 5.0 cm
• E) 6.0 cm

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Definitions:

Comparative Advantage

The advantage in the production of a good enjoyed by one country over another when that good can be produced at lower cost in terms of other goods than it could be in the other country.

International Marketplace

A global economic environment where goods, services, and financial assets are exchanged between countries.

Social Overhead Capital

Public infrastructure that provides support for the economic activities of a country or region, such as roads, schools, and hospitals.

Education

The process of facilitating learning, or the acquisition of knowledge, skills, values, beliefs, and habits through various methods.