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The orbital angular momentum of an elect...

The orbital angular momentum of an electron in 2s-orbital is:

A

`h/4pi`

B

Zero

C

`h/2pi`

D

sqrt2.h/(2pi)

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The correct Answer is:
B
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MBD PUBLICATION-STRUCTURE OF ATOM-QUESTION TYPE
  1. Which are isoelectronic with each other ?

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  2. Size of the nucleus is:

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

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  4. The number of vacant orbitals of element with atomic number 14 is:

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

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  6. For a 'd' electron, the orbital angular momentum is:

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  7. The lightest particle is:

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  8. Which consists of particle of matter ?

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  9. The energy of an electron in the first Bohr's orbit of H atom is -13.6...

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  10. For an electron if the uncertainty in velocity is Delta v, the uncerta...

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  11. The quantum numbers for the last electron in an atom are n = 3, l = 1 ...

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  12. The radius of Bohr's first orbit in H atom is 0.053 nm. The radius of ...

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  13. The ionization potential of hydrogen atom is 13.6 eV. The energy requi...

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  14. The number of nodal planes is greatest for the orbital:

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  15. For which species, Bohr's theory does not apply:

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  16. Number of unpaired electrons in the electronic configuration 1s^2, 2s^...

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  17. Which represents the correct set of four quantum number of a 4d-electr...

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  18. The value of bohr's radius for hydrogen atom is:

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  19. The threshold wavelength for photoelectric effect on sodium is 5000 ov...

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  20. sqrt2.h/(2pi)

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