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- Calculate the energy of a radiation having a wavelength of '4000 A (h=...
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- Calculate the wavelength of the first and the last line in the Balmer ...
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- Calculate the uncertainty in momentum of an electron if uncertainty in...
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- Find (i) the total number and (ii) the total mass of neutrons in 7 mg ...
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- A neutral atom possesses 92 protons and 146 neutrons. Find its atomic ...
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- A photon of wave length 400 nm strikes a metal surface. The electrons ...
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- Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...
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- The correct set of quantum numbers for the unparied electron of 'Cl' a...
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- Which of the following represents a correct set of quantum numbers of ...
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- An electron has a speed of '600 m / s' with an accuracy of '0.005 % .'...
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- The númber of nodal planes '5d' orbital has, is
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- The total number of orbitals in a shell having principal quantum numbe...
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- Which of the following has maximum number of unpaired electrons?
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- The electrons, identified by quantum numbers 'n' and (i) 'n=4, l=1' (i...
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- The 'e / m' ratio of an electron is ……….times that of an alpha particl...
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- Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...
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- Which of the following is correct?
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- Which of the following relates fo photons both as wave motion and as s...
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- Electromagnetic radiaition with maximum wavelength is
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- The uncertainty in the momentum of an electron is '1 xx 10^(-5) kg ms^...
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