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2 October, 19:19

Radioactive materials are used in smoke detectors. as the smoke comes in-between the radioactive source and the sensor, an alarm goes off. which type of radiation should be used in a smoke detector? alpha particles beta particles gamma rays positron particles

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  1. 2 October, 19:26
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    The correct answer here is Alpha Particles
  2. 2 October, 20:31
    0
    Alpha particles are used in smoke detectors as the ionise the air particles
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