Why Is a 1 Solar-Mass Red Giant More Luminous Than

question 15

Multiple Choice

Why is a 1 solar-mass red giant more luminous than a 1 solar-mass main-sequence star?

• A)The red giant has a hotter core.
• B)The red giant's surface is hotter.
• C)The red giant is more massive.
• D)Fusion reactions are producing energy at a greater rate in the red giant.

---

Definitions:

Price of Capital

The cost of borrowing money or the return that is required for an investment in equipment or buildings.

Total Cost

The aggregate expenditure incurred by a firm to produce a certain level of output, including both fixed and variable costs.

Price of Labor

The wage rate or compensation paid to workers for their labor, often determined by market forces, skill levels, and industry demand.

Isocost Line

An isocost line is a graphical representation in economics showing all possible combinations of inputs that result in the same cost of production.