How Is a Luminosity Class Assigned to a Star

question 21

Multiple Choice

How is a luminosity class assigned to a star?

• A) By combining the apparent magnitude with the star s parallax.
• B) By measuring the period of variability in the star s apparent magnitude.
• C) By studying the absorption line width in the spectrum of the star.
• D) By observing the angular size of the star s image in a photograph or digital image.

Recognize and define processes and classifications used in the diagnosis and treatment of diseases.

Comprehend the terminology used to describe symptoms and the severity of medical conditions.

Acquire knowledge on terms related to the measurement and quantification in medical practice.

Understand the terminologies used in the causation and understanding of diseases.

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Definitions:

Utility

Utility is an economic concept referring to the total satisfaction received from consuming a good or service.

Consumption

The use of goods and services by households or individuals, constituting one of the primary components of economic activity and growth.

Satisfaction

In economics, often related to utility or the level of contentment derived from the consumption of goods and services.

Utility

A term in economics referring to the satisfaction or benefit derived by consuming a product or service.