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The ground state energy of hydrogen atom is . When its electron is in the first excited state, its excitation energy is
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Important Questions on Atomic Physics
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The ionisation energy of the electron in the hydrogen atom in its ground. state is . The atoms are excited to higher energy levels to emit ra.diations of wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between:
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In a Rutherford scattering experiment when a projectile of charge and mass approaches a target nucleus of charge and mass , the distance of the closest approach is . The energy of the projectile is
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The energy of a hydrogen atom in the ground state is The energy of ion in the first excited state will be :-
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The wave length of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number of hydrogen like ion is
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Out of the following which one is not a possible energy for a photon to be emitted by hydrogen atom according to Bohr’s atomic model ?
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The series corresponding to minimum wavelength transition in H-atom :
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The transition from the state to in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from:
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Ratio of longest wave lengths corresponding to Lyman and Balmer series in hydrogen spectrum is:
