A Simple Magnifier of Refractive Power 15

question 39

Multiple Choice

A simple magnifier of refractive power 15.0 D is used to observe a beetle on a student's desk. Assume that the magnifier is held close to the student's eye. If the image of the beetle is formed at her near point of 25 cm, how far is the beetle from the magnifier?

• A) 50 cm
• B) 9.1 cm
• C) 4.2 cm
• D) 5.3 cm

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Definitions:

Direct Materials

Raw materials that are directly traceable to the manufacturing of a product and are a significant portion of production costs.

Raw Materials Inventory

The stock of basic materials that are used in production but have not yet been processed.

Standard Costs

Predetermined or budgeted costs for materials, labor, and overhead, used as benchmarks to measure actual performance and manage costs.

Standard Costs

Standard costs are estimated expenses related to the production of goods or services under normal conditions.