A Light Ray Bends When It Goes from One Medium

question 117

Multiple Choice

A light ray bends when it goes from one medium to another because of

• A)interference.
• B)diffraction.
• C)specular reflection.
• D)refraction.
• E)polarization.

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Definitions:

Nonsystematic Variance

The portion of a security's variance that is unique to the specific security and can be mitigated through diversification.

Market Index

An aggregate value produced by combining several stocks or other investment vehicles together and expressing their total values against a base value from a specific date.

Active Portfolio

An active portfolio refers to a collection of investments that are managed and regularly adjusted by portfolio managers in an attempt to outperform the market.