Multiple choice

Smoke detectors use

  1. Americium-241

  2. Cobalt-60

  3. Phosphorus-32

  4. Carbon-14
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

By utilizing the radioactive properties of Americium-241, smoke from a fire can be detected at a very early stage so it is used in smoke detectors. This early warning capability has saved many lives.

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