If the Distance Between Us and a Star Is Doubled

question 115

Multiple Choice

If the distance between us and a star is doubled, with everything else remaining the same, its luminosity

• A)is decreased by a factor of four, and its apparent brightness is decreased by a factor of four.
• B)is decreased by a factor of two, and its apparent brightness is decreased by a factor of two.
• C)remains the same, but its apparent brightness is decreased by a factor of four.
• D)is decreased by a factor of four, but its apparent brightness remains the same.
• E)remains the same, but its apparent brightness is decreased by a factor of two.

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Definitions:

Tangible Capital

Physical assets owned by a firm or individual that are used in the production of goods and services, such as machinery, buildings, and vehicles.

Capital

The collection of physical and financial assets used by an individual or organization to produce goods and services.

Services

Services like accounting, banking, cleaning, consulting, education, insurance, professional knowledge, medical care, and transportation that cannot be physically touched.

Goodwill

An intangible asset on a company's balance sheet that represents the premium paid over the fair market value of the acquired assets in a business acquisition.