Two Stars,A and B,have the Same Emissivity,but the Radii and Surface

question 53

Multiple Choice

Two stars,A and B,have the same emissivity,but the radii and surface temperatures are different with R_A = 0.5R_B,and T_A = 2T_B.Assuming the temperature of space to be negligible,which star radiates the most energy per unit time?

• A)Star A
• B)Star B
• C)Both radiate the same amount of energy per unit time.
• D)More information is needed in order to make a determination.

Understand the concept of the investor's choice problem, including the trade-offs between risk and expected return, and how budget lines are used to describe these trade-offs.

Recognize the impact of behavioral biases such as overconfidence, over-optimism, and over-precision on investor decisions and market phenomena like bubbles.

Identify the characteristics and causes of the Internet bubble of 1995-2000.

Understand how the slope and intercept of the budget line relate to investor choices and the characteristics of risk-free and risky assets.

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