Monthly Archives: February 2010

Using and Handling Radioactive material

Download this. Uses of radioactive isotopes is a document which summarises  what radioactive isotopes are used for. From smoke detectors to carbon dating, from monitoring thickness to sterilising strawberries and  kidney mapping. There are lots of different uses and more … Continue reading

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Background Radiation

Over half the background radiation that we receive comes from radon gas, a naturally occurring daughter product of Uranium decay. It is present in granite -some granite buildings have radon monitors installed; Cornwall in the UK is a prime location … Continue reading

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Beta Decay

Once, beta decay was thought to have violated energy conservation laws, since betas are emitted with a range of energies when, in a proton – rich environment, a neutron decays into a proton with the emission of a high speed … Continue reading

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Alpha Decay

Alpha particles are helium nuclei emitted by quantum tunnelling usually from large unstable nuclei like U 238. Their short, thick ionisation tracks are shown in the cloud chamber picture above as tracks of mist. The 4/2 configuration or 2 protons … Continue reading

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