Consider the Following Description of an Instrument Used to Detect

Consider the following description of an instrument used to detect radioactivity:
A tube contains argon at low pressure.A high electrical potential is established between a positively charged wire in the center and the negatively charged case.Radiation enters the window and ionizes the argon.The ions move toward the electrodes,producing a measurable electrical pulse and an audible "click." What is the name of this instrument?

A) Gamma camera and scanner
B) Scintillation counter
C) Geiger counter
D) Cloud chamber
E) Spectrophotometer

Correct Answer:

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