A White Dwarf Star, as It Evolves, Undergoes Which of These

question 114

Multiple Choice

A white dwarf star, as it evolves, undergoes which of these changes?

• A) Its temperature remains constant, but its radius and therefore its luminosity decrease.
• B) Luminosity and size decrease while its temperature remains constant.
• C) It shrinks in size, the resulting release of gravitational energy keeping both luminosity and temperature constant.
• D) Luminosity and temperature decrease.

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Definitions:

Marginal Social Benefit

The additional gain to society as a whole from an additional unit of a good or service, considering both private benefits and externalities.

Marginal Benefit Curve

The Marginal Benefit Curve is a graphical representation showing how the benefit or utility from consuming each additional unit of a good decreases as more units are consumed.

Government Intervention

Regulatory actions taken by a government in order to affect or interfere with decisions made by individuals, groups, or organizations regarding economic and social matters.

Marginal Cost

The cost of producing one additional unit of a product or service.