Properties of Alpha Beta Gamma Radiation 4

FirstFirstLastQuestion 4Image 4a1Question 4a1Image 4a24a) The outer casing is made from plastic. Explain why alpha radiation is used rather than beta or gamma?4b) The smoke detector works because alpha radiation generates ions in the air. Explain why beta or gamma radiation would be less effective?

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FirstFirstLastQuestion 4Image 4a1Question 4a1Image 4a24a) The outer casing is made from plastic. Explain why alpha radiation is used rather than beta or gamma?4b) The smoke detector works because alpha radiation generates ions in the air. Explain why beta or gamma radiation would be less effective?