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- Calculate the momentum of wave-length 0.33 nm.
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- Calculate the energy of photon of radiations having v = frequency 5xx1...
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- With what velocity must an electron travel so that its momentum is equ...
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- Why is the electronic configuration, 1s^2, 2s^2, 2px^(2), 2py^(1), 2pz...
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- Mass of neutron is……..times the mass of electron.
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- The maximum number of unpaired electrons present in 4f-energy level is...
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- Which is not deflected by magnetic field ?
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- In the atomic spectrum of hydrogen the series of lines observed in the...
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- The maximum sum of the number of neutrons and protons in an isotope of...
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- Which of the subshell has double dumb-bell shape ?
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- Which one of the following pairs of atoms/atom-ions have identical gro...
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- The ratio of nucleons in O^16 and O^18 is:
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- The number of unpaired electrons in Mn^+ is:
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- The (n+1) value for 4f-electron is:
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- The ejection of electrons when the surface of metal is irradiated by l...
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- The n+l value for the 3-p energy level is:
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- If uncertainty in position of electron is zero, the uncertainty in its...
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- 1 fermi is equal to:
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- Nucleus model of the atom was proposed by:
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- Maximum number of electrons present in "N" shell is:
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