151k views
0 votes
Many smoke detectors contain:

A. Carbon-14
B. Americium-241
C. Strontium-90
D. Iodine

User Utkarsh
by
7.5k points

1 Answer

0 votes

Answer:

Option B, Americium-241, is the right answer.

Explanation:

  • A device which senses smoke usually as an indicator of fire is known as a smoke detector.
  • The two most common types of smoke detectors are the Ionization chamber and photoelectric smoke indicators.
  • Many of these smoke detectors comprise some amount of americium-241, which is a radioactive substance.
  • These smoke detectors respond immediately to fires that give off some smoke.
User Nbpeth
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.