If Star a Has a Temperature That Is Twice as Hot

question 72

Multiple Choice

If star A has a temperature that is twice as hot as the Sun, but it has the same luminosity as the Sun, the diameter of star A must be ________ times the diameter of the Sun.

• A) 16
• B) 4
• C) 2
• D) 1/2
• E) 1/4

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Definitions:

Horizon Problem

A situation in decision-making where the choice is influenced by the limited timeframe considered for the outcome.

Share-Based Remuneration

Compensation provided to employees or other parties in the form of equity shares in the company, often used to align the interests of the employees with those of the shareholders.

Dividend Pay-Out

The portion of a company's earnings distributed to its shareholders as dividends.

Market Efficiency

A financial market theory suggesting that asset prices fully reflect all available information, making it impossible to consistently achieve higher returns.