Multiple choice general knowledge

Radioactivity is measured by

  1. Hydrometer

  2. Geiger Counter

  3. Seismometer

  4. Ammeter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A Geiger Counter is a device used for detecting and measuring ionizing radiation (radioactivity). It works by counting the number of ionization events produced by radioactive particles. A hydrometer measures liquid density, a seismometer detects earthquakes, and an ammeter measures electric current.

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