cse • paper_2 • quantum_mechanicscse-2013-subject-05-002
Gravitational orbits — UPSC CSE 2013 Physics PYQ
Buy PYQ Solution Manual →Show that the velocity of electron in the first orbit of hydrogen atom is \left(\frac{1}{137}\right)C where C is the velocity of light. (Given electronic charge = 1.602 \times 10^{-1}\ \mathrm{C} Planck Constant 6.63 \times 10^{-34}\ \mathrm{J.s}, permittivity = 8.85 \times 10^{-1}\ \mathrm{C^2\ N^{-1}\ m^{-2}})
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