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Explain the processes of nuclear fission and nuclear fusion by using the plot of binding energy per nucleon(BE/A) versus the mass number A |
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Answer» Solution :(a)Nuclear fission:BINDING energy per nucleon for heavier nuclei is about 7.6 MEV and for lighter nuclei it is about 8.4 MeV . So the heavier nuclei are less stable and theheavier nucleus splits into lighter nuclei which results in release of energy. This phenomenon is called nuclear fission. (B) Nuclear fission :The binding energy per nucleon for nuclei having MASS number A lt 12 is small and so they are less stable . Hence two such nuclei can combine to from a slightly heavier nucleus , which has higher binding every per nucleon Therefore , energy is released in this process and it is called nuclear FUSION. |
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