Nuclear fusion power stations will produce radioactive waste. This waste will have a much shorter half-life than the radioactive waste from a nuclear fission power station. Explain the advantage of the radioactive waste having a shorter half-life. [2 marks]
Question
Nuclear fusion power stations will produce radioactive waste. This waste will have a much shorter half-life than the radioactive waste from a nuclear fission power station. Explain the advantage of the radioactive waste having a shorter half-life. [2 marks]
Solution
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The primary advantage of radioactive waste having a shorter half-life is that it becomes safe more quickly. The half-life of a radioactive substance is the time it takes for half of its atoms to decay and become non-radioactive. Therefore, waste with a shorter half-life will take less time to decay into a safe state.
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This means that the storage and management of this waste is less of a long-term problem. The costs and risks associated with storing radioactive waste are directly related to how long that waste remains dangerous. Therefore, waste with a shorter half-life reduces the time, cost, and risk associated with its storage.
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a) What are the advantages of nuclear power?
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