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Radioactivity

Radioactivity. What is the most ionising form of radiation? What is the least penetrating form of radiation? What is beta radiation made of? What happens to a neutron during beta decay?. Alpha. Alpha. An electron. It turns into a proton and an electron.

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Radioactivity

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  1. Radioactivity

  2. What is the most ionising form of radiation? • What is the least penetrating form of radiation? • What is beta radiation made of? • What happens to a neutron during beta decay? Alpha Alpha An electron. It turns into a proton and an electron.

  3. Which type of radiation is used in the following? • Smoke Detectors • Irradiation • Tracing in Radiotherapy • Thickness Gauges Alpha Gamma Gamma Beta

  4. The activity of a sample of strontium-90 falls from 2000 Bqto 250 Bq over 87 years. What is the half life? • The activity of a sample of strontium-90 is 100 Bq. What will the activity be after 58 years? 29 Years 25 Bq

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