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In Rutherford nuclear model of an atom, for a dynamically stable orbit in hydrogen atom, the orbit radius varies with the velocity of the electron as where is,
(Ignore radiation due to motion of electric charge)
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Important Questions on Atomic Structure
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A hydrogen atom is in a state with energy . In the Bohr model, the angular momentum of the electron in the atom with respect to an axis at the nucleus, is
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The potential energy of the electron in the first excited state of the hydrogen atom is
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Wavelength, is emitted when an atom moves from, energy level to, energy level. If the transition takes place from, energy level to, energy level, then the emitted wavelength will be
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The series corresponding to lowest wavelength transition in - atom.
MEDIUM
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If is Rydberg constant then, the shortest wavelength of the Balmer series of the hydrogen atom is:
