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

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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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…

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