Which One of the Following Objects,all Initially at the Same

question 7

Multiple Choice

Which one of the following objects,all initially at the same temperature,will be most efficient in losing heat?

• A)a dull black box in vacuum
• B)a dull black box in air
• C)a box with an emissivity of 0.1
• D)a polished silver box in air
• E)a polished silver box in vacuum

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Definitions:

ATC

Average Total Cost, which is the total cost of production divided by the number of goods produced, representing the per unit cost of production.

AVC

Average Variable Cost is the total variable costs divided by the quantity of output produced; it represents the variable cost per unit of output.

Optimal Plant Size

The scale of production at which a firm can produce goods at the lowest average cost, maximizing efficiency.