The Focal Lengths of the Objective and Eyepiece in a Compound

question 65

Multiple Choice

The focal lengths of the objective and eyepiece in a compound microscope are 0.80 cm and 2.5 cm,respectively.The image formed by the objective is 16 cm from it and the final image is 25 cm from the eye.What is the total overall magnification of the microscope?

• A) -19 x
• B) -11 x
• C) -2.0 x
• D) -100 x
• E) -200 x

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Definitions:

Marginal-Utility Schedules

Tables or charts that illustrate the additional satisfaction or utility a consumer receives from consuming an additional unit of a good or service.

Utility Maximization

The economic principle stating individuals aim to achieve the highest satisfaction possible from consumption given their income and prices of goods.

Diminishing Marginal Utility

A principle stating that as more of a good or service is consumed, the additional satisfaction from consuming one more unit decreases.

Income Effect

The impact of income changes on the demand for goods or services by an individual or within the economy.