If the Distance from a Point Source of EM Radiation

question 65

Multiple Choice

If the distance from a point source of EM radiation is doubled, the intensity is

• A) doubled
• B) the same as it was before.
• C) reduced by a factor of four.
• D) increased by a factor of four.
• E) cut in half.

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Definitions:

Marginal Cost

Marginal cost is the additional cost incurred in the production of one more unit of a good or service.

General Motors

An American multinational corporation that designs, manufactures, markets, and distributes vehicles and vehicle parts.

Total Profit

The total income a business obtains after accounting for all expenses, taxes, and costs associated with its operations.

Herfindahl-Hirschman Index

A concentration measure used to calculate the level of competition within an industry by summing the squares of the market shares of all firms within the industry.