A Geiger-Muller Counter Detects Radioactivity By

question 26

Multiple Choice

A Geiger-Muller counter detects radioactivity by:

• A)developing film which is exposed by radioactive particles.
• B)emission of light from a NaI crystal when radioactivity passes through the crystal.
• C)ionization of argon gas in a chamber which produces an electrical signal.
• D)analyzing the mass and velocity of each particle.
• E)none of the above

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior or increases its likelihood of being repeated.

Nagging

Persistently annoying or finding fault with someone, often to persuade them to do something.

Clean Room

A controlled environment with a low level of pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors, used in scientific research and manufacturing.

Primary Reinforcers

Stimuli that satisfy basic biological needs and are inherently rewarding.