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The quantum number '+1/2' and '-1/2' for...

The quantum number '+1/2' and '-1/2' for the electron spin represent.

A

rotation of the electron in clockwise and anticlockwise direction respectively

B

rotation-of the electron in anti-clockwise direction respectively

C

magneti moment of the electron pointing up and down respectively

D

Two quantum mechanical spin states which have no classical analogue

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The correct Answer is:
C
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V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. The uncertainty in the momentum of an electron is '1 xx 10^(-5) kg ms^...

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  2. The orbital angular momentum of an electron in s orbital is

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  3. The quantum number '+1/2' and '-1/2' for the electron spin represent.

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  4. The value of Plancks constant is

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  5. The energy of electron in 3rd orbit of hydrogen atom is:

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  6. Which of the following is not possible?

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  7. Which radiations has largest energy?

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  8. The energy of the electron in the 'n^(th) ' orbit of hydrogen atom is ...

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  9. The maximum number of electrons in a subshell is given by the expressi...

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  10. For a particular value of azimuthal quantum number '(l)' the fotal num...

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  11. Consider the following ions: 1. Ni^((2+)) 2. Co^((2+)) 3. Cr^((2+)) 4....

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  12. The ratio of the difference in energy between the first and the second...

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  13. The radial part of wave function depends on the quantum numbers.

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  14. The orbital angular momentum of an electron in s orbital is

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  15. If the nitrogen atom had electronic configuration '1 s^7', it would ha...

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  16. For d-elecron the orbital angular momentum is

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  17. Time taken for an electron to complete one revolution in the Bohr orbi...

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  18. The frequency of radiation emitte when the electron falls from 'n=4' t...

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

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  20. The ratio of area covered by second orbit to the first orbit is 1:...

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