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If n and l are respectively the principa...

If n and `l` are respectively the principal and azimuthal quantum numbers , then the expression for calculating the total number of electrons in any energy level is :

A

`overset(l=n)underset(l=0)sum2(2l+1)`

B

`overset(l=n-1)underset(l=1)sum2(2l+1)`

C

`overset(l=n+1)underset(l=0)2(2l+1)`

D

`overset(l=n-1)underset(l=0)sum2(2l+1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-ATOMIC STRUCTURE -Set-2
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  2. Quantum numbers l=2 and m=0 represent which orbital?

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  3. If n and l are respectively the principal and azimuthal quantum number...

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  5. Consider the following statements: (a) Electron density in the XY pl...

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  6. The first emission line in the H-atom spectrum in the Balmer series ap...

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  7. 1 BM is equal to:

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  9. dz^(2) orbital has:

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  10. When a light of frequency v(1) is incident on a metal surface the phot...

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  11. Heisenberg's uncertainty principle is not valid for:

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  12. Consider these electronic configurations for neutral atoms: (i) 1s^(...

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  14. Which of the following statements are correct for an electron that has...

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  15. The angular momentum of electron can have the value (s) :

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  16. Which of the following statements is/are wrong?

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  17. Consider the following sets of quantum numbers. (i) {:(n,l,m,s,),(3,...

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