A Surface Explosion on a White Dwarf, Caused by Falling

question 145

Multiple Choice

A surface explosion on a white dwarf, caused by falling matter from the atmosphere of its binary companion, creates what kind of object?

• A) nova
• B) black dwarf
• C) brown dwarf
• D) Type I supernova
• E) Type II supernova

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Definitions:

Variable Cost

Expenses that are directly linked to the scale of production activity.

Fixed Cost

Costs that do not change with the level of output or sales in the short term, such as rent, salaries, and insurance.

Depreciation Expense

The portion of the total cost of a tangible asset that is charged as an expense in a reporting period, due to its reduction in useful life.

Sensitivity Analysis

A technique used to determine how different values of an independent variable impact a particular dependent variable under a given set of assumptions.