First Magnitude Spica Appears 2

question 114

True/False

First magnitude Spica appears 2.5 times brighter than second magnitude Polaris.

---

Definitions:

Risk-Free Rate

The return on investment with no loss of principal, often represented by the yield on government securities.

Beta

An indicator that determines the systematic risk or volatility of a security or a portfolio relative to the overall market.

Portfolio Beta

A measure of the volatility, or systematic risk, of a portfolio in comparison to the market as a whole.

Beta

A measure of a stock's volatility in relation to the overall market; used in the CAPM to calculate a stock's expected return.