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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
What is meant by ionisation energy? Write its value for hydrogen atom.
Define the term, mass defect. How is it related to stability of the nucleus?
In Geiger-Marsden experiment, the distance of closest approach is considerably larger than the sum of the radii of the gold nucleus and the α-particle. Explain.
The total energy of hydrogen atom in a state is –3·4 eV. What are the kinetic and potential energies of the electron in this state ?
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