Some Minerals Glow When Illuminated with Ultraviolet Light

question 51

Multiple Choice

Some minerals glow when illuminated with ultraviolet light.This is because

• A)ultraviolet photons kick atomic electrons in the mineral into higher energy states.
• B)ultraviolet photons have such high energy.
• C)of selective reflection.
• D)of selective transmission.
• E)none of these

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Definitions:

Velocity of Money

The rate at which money is exchanged from one transaction to another, and how much a unit of currency is used in a given period of time.

Equation of Exchange

An economic formula representing the relationship between the money supply, its velocity, the price level, and the volume of transactions in an economy.

Inflation

The speed at which prices for products and services increase, leading to a decline in buying power.

Supply of Money

The total amount of money available in an economy at any given time, including cash, bank deposits, and liquid assets.