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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