What Is the Difference Between Brightness and Luminosity

question 38

Multiple Choice

What is the difference between brightness and luminosity?

• A) These are different names for the same property.
• B) Luminosity is how much light we see from a star; brightness is how much light it emits.
• C) Brightness is how much light we see from a star; luminosity is how much light it emits.
• D) Luminosity measures size; brightness measures temperature.
• E) Brightness measure size; luminosity measures temperature.

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Definitions:

Circular Flow Model

An economic model that depicts the movement of goods, services, and money between households and businesses in an economy.

Consumer Expenditures

The total amount spent by consumers in an economy on goods and services.

Government and Households

The sectors of an economy involving government spending and actions, and the consumption and savings patterns of individual households.

Business Firms

Entities involved in commercial, industrial, or professional activities, aimed at generating profits.