The Source of a Sound Is Moving Away from an Observer

question 15

Multiple Choice

The source of a sound is moving away from an observer who is standing still. How do the sound waves received by the observer compare with those emitted by the source?

• A)They are heard as having a greater velocity.
• B)They are heard as having a higher frequency.
• C)They are heard as having a lower frequency.
• D)They are heard as having a smaller wavelength.

---

Definitions:

Discount Rates

The rate of interest applied to calculate the current value of future cash flows.

Market Proxy

A singular asset or portfolio that represents the characteristics of an entire market segment or the market as a whole.

CAPM

The Capital Asset Pricing Model, which describes the relationship between systematic risk and expected return for assets, particularly stocks, suggesting that investors need to be compensated in two ways: time value of money and risk.

Fama and French

Scholars who developed a three-factor model for explaining the risk and return of stocks and other investments.