A Reflected Ray of Light Leaves a Plane Mirror's Surface

question 61

Multiple Choice

A reflected ray of light leaves a plane mirror's surface at an angle of 30° relative to the normal. The angle of incidence was

• A) 30° relative to the surface.
• B) 60° relative to the normal.
• C) 90° from the surface.
• D) none of these.

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Definitions:

Prospect Theory Loss Aversion

A concept from behavioral economics indicating that people feel the pain of losing money more acutely than they feel the pleasure of gaining the same amount.

TRIN Ratio

Also known as the Arms Index, this technical analysis indicator compares the number of advancing and declining stocks to the volume of advancing and declining stocks, used to gauge overall market sentiment.

Bearish Signal

An indication in financial markets that the price of an asset is expected to decline.

Overweighting

Refers to the practice of allocating a larger percentage of a portfolio to a particular asset or sector than the benchmark or average portfolio.