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Mass of neutron is……..times the mass of ...

Mass of neutron is……..times the mass of electron.

A

1840

B

1480

C

2000

D

None

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The correct Answer is:
A
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MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
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  2. Why is the electronic configuration, 1s^2, 2s^2, 2px^(2), 2py^(1), 2pz...

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  3. Mass of neutron is……..times the mass of electron.

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  4. The maximum number of unpaired electrons present in 4f-energy level is...

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  5. Which is not deflected by magnetic field ?

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  6. In the atomic spectrum of hydrogen the series of lines observed in the...

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  7. The maximum sum of the number of neutrons and protons in an isotope of...

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  8. Which of the subshell has double dumb-bell shape ?

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  9. Which one of the following pairs of atoms/atom-ions have identical gro...

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  10. The ratio of nucleons in O^16 and O^18 is:

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  11. The number of unpaired electrons in Mn^+ is:

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  12. The (n+1) value for 4f-electron is:

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  13. The ejection of electrons when the surface of metal is irradiated by l...

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  14. The n+l value for the 3-p energy level is:

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  15. If uncertainty in position of electron is zero, the uncertainty in its...

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  16. 1 fermi is equal to:

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  17. Nucleus model of the atom was proposed by:

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  18. Maximum number of electrons present in "N" shell is:

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  19. The de Broglie wavelength associated with a material particle is:

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  20. Compared to mass of lightest nucleus the mass of an electron is only:

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