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Electrons with wavelength '12 pm' are us...

Electrons with wavelength '12 pm' are used for electron diffraction. What is the velocity of these electrons?

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V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. An electron is moving with kinetic energy of '2.275 xx 10^(-25) J .' C...

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  2. What is the wavelength of an electron if its kinetic energy is '4.55 x...

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  3. Electrons with wavelength '12 pm' are used for electron diffraction. W...

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  4. A radiation has a frequency of '6 xx 10^(14)' cycles per second (or 'H...

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  5. Calculate the energy of a radiation having a wavelength of '4000 A (h=...

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  6. Calculate the wavelength of the first and the last line in the Balmer ...

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  7. Calculate the uncertainty in momentum of an electron if uncertainty in...

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  8. Find (i) the total number and (ii) the total mass of neutrons in 7 mg ...

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  9. A neutral atom possesses 92 protons and 146 neutrons. Find its atomic ...

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  10. A photon of wave length 400 nm strikes a metal surface. The electrons ...

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  11. Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...

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  12. The correct set of quantum numbers for the unparied electron of 'Cl' a...

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  13. Which of the following represents a correct set of quantum numbers of ...

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  14. An electron has a speed of '600 m / s' with an accuracy of '0.005 % .'...

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  15. The númber of nodal planes '5d' orbital has, is

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  16. The total number of orbitals in a shell having principal quantum numbe...

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  17. Which of the following has maximum number of unpaired electrons?

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  18. The electrons, identified by quantum numbers 'n' and (i) 'n=4, l=1' (i...

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  19. The 'e / m' ratio of an electron is ……….times that of an alpha particl...

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  20. Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...

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