Two White Dwarf Stars Are the Same Size, but One

question 74

Multiple Choice

Two white dwarf stars are the same size, but one has a surface temperature twice as hot as the other. The hotter star will radiate

• A)half as much energy per second as the cooler star.
• B)the same amount of energy per second as the cooler star.
• C)four times as much energy per second as the cooler star.
• D)sixteen times as much energy per second as the cooler star.

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Definitions:

Stress

The amount of force divided by the area on which the force is applied.

Brittle Conditions

Circumstances under which materials or rocks break or fracture without significant plastic deformation when subjected to stress.

Relatively Shallow

Describes an area of water or feature that is not deep compared to its surroundings.

Fracturing

The act or process of breaking or cracking solid materials, often referring to rocks splitting due to physical, chemical, or mechanical forces.