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The value of n(1) for Pashecn series of ...

The value of `n_(1)` for Pashecn series of hydrogen spectrum is`(n_(1) =` orbit number in which electron falls)

A

1

B

2

C

3

D

4

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The correct Answer is:
C
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Assertion : For Balmer series of hydrogen spectrum, the value n_(1)=2 and n_(2)=3,4,5 . Reason : The value of n for a line in Balmer series of hydrogen spectrum having the highest wave length is 4 and 6 .

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AAKASH INSTITUTE-STRUCTURE OF ATOM-EXERCISE
  1. The correct seuence of frequency of the electromagnetic radiations in ...

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  2. The kinetic energy of the photoelectrons depends upon the

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  3. The value of n(1) for Pashecn series of hydrogen spectrum is(n(1) = or...

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  4. Radius of Bohr's orbit of hydrogen atom is

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  5. Bohr theory is applicable to

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  6. How many spectral lines are seen for hydrogen atom when electron jump...

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  7. What is the energy associated with 3^(rd) energy shell of hydrgoen ato...

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  8. Find out the incorrect match .

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  9. According to Bohr theory, which of the following transition in hydroge...

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  10. Which of the following ion is not isoelectronic with O^(2-) ?

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  11. The de -Brogile wavelength associated with a matter particle is

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  12. The wavelength associated with an electron moving with velocity 10^(10...

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  13. Probability density is given by

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  14. The possible values of magnetic quantum number for p-orbital are

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  15. The notation of orbital with n=5 and l=3 is

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  16. In multi-electron atom 4s-orbital is lower in energy than

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  17. Shape of an orbital is given by

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  18. Orientation of orbitals is given by

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  19. Forn=4 , which one of the following values of l is not possible ?

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  20. If uncertainty in position and momentum are equal then uncertainty in ...

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