A Person Having a near Point of 25 Cm Uses

question 81

Multiple Choice

A person having a near point of 25 cm uses a magnifying glass with a focal length of 10 cm.What is the angular magnification of the glass for that person when her eyes are focused at infinity?

• A)1.5
• B)2.5
• C)3.5
• D)4.5

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Definitions:

Least-Costly Combination

An economic principle that describes the mix of factors of production (like labor and capital) that minimizes cost for a certain level of output.

MRPs

The marginal revenue product of labor refers to the increase in revenue a firm sees when adding one additional unit of labor, holding other factors constant.

Variable Resources

Factors of production such as labor, capital, and raw materials that can be adjusted in the short term to meet changes in demand or production.

Profit-Maximizing Level

The level of production at which a business achieves the highest possible profit.