Doubling the Focal Length of the Objective Lens of a Compound

question 33

Multiple Choice

Doubling the focal length of the objective lens of a compound microscope will change the magnification by what factor?

• A)1/4
• B)1/2
• C)2
• D)4

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Definitions:

Mixed Costs

Costs with both variable and fixed characteristics, sometimes called semivariable or semi-fixed costs.

Variable Components

Parts of a cost or expense that change in proportion with changes in the level of business activity or production volume.

Fixed Components

The elements of a business's costs that remain constant regardless of the level of production or sales activity.

Contribution Margin

The amount by which sales income exceeds variable expenses, which is utilized to pay off fixed expenses and create profit.