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The carbon isotope ¹²₆C has a nuclear mass of 12·000000 u. Calculate the binding energy of its nucleus. Given mp = 1·007825 u; mn = 1·008665 u.
Define atomic mass unit (u).
Calculate the energy required to separate a deuteron into its constituent parts (a proton and a neutron). Given : m(D) = 2.014102 u mH = 1.007825 u mn = 1.008665 u
State Bohr's postulates and derive an expression for the energy of electron in nth orbit in Bohr's model of hydrogen atom.
Calculate binding energy per nucleon (in MeV) of ¹²₆C. Given : m(¹²₆C) = 12.000000 u, m(¹₀n) = 1.008665 u, m(¹₁H) = 1.007825 u
Draw a diagram to show the variation of binding energy per nucleon with mass number for different nuclei and mention its two features. Why do lighter nuclei usually undergo nuclear fusion ?
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