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ifos • paper_2 • nuclear_particleifos-2016-subject-07-001

Nuclear fusion — UPSC IFoS 2016 Physics PYQ

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In a nuclear fusion process, four hydrogen nuclei combine to form a helium nucleus. Obtain the energy released in such a process. If the same process is responsible for energy of a star of mass 2 \times 10^{30}\text{ kg}, each kilogram having 6 \times 10^{26} protons, what could be the magnitude of energy released in it?

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