In the Temperature of Air Above a Pond Is 8°C

question 4

Multiple Choice

In the temperature of air above a pond is 8°C thermal conductivity of ice is 0.005 C.G.S. units, latent heat of fusion of ice is 79.9 cal/gram the density of ice is 1 gm/cu.m, the time taken for the formation of ice layer of 1 cm thickness is

• A)200 seconds
• B)100 seconds
• C)12.5 seconds
• D)10 seconds
• E)None of the above

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Definitions:

Average Fixed Costs

The total fixed costs of production divided by the quantity of output produced, indicating how fixed costs change with different levels of production.

Marginal Costs

The increase in total cost that arises from an extra unit of production.

Fixed Factors

Inputs in production that cannot be altered in the short term, such as buildings and machinery.

Output

The amount of goods and services produced by a business, industry, or economy.