Multiple choice

The geiger counter was developed in 1912.  What does it detect?

  1. Oxygen

  2. Carbon monoxide

  3. Radiation

  4. Sunlight
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A Geiger counter is an instrument used for detecting and measuring ionizing radiation, such as alpha particles, beta particles, and gamma rays. It works by detecting the ionization produced in a Geiger-Muller tube by the incoming radiation. It does not measure gases like oxygen or carbon monoxide, nor does it measure sunlight.

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