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when an electron jumps from the fourth o...

when an electron jumps from the fourth orbit to the second orbit, one gets the

A

5,099 `cm^(-1)`

B

20,497 `cm^(-1)`

C

`40, 994 cm^(-1)`

D

81,988 `cm^(-1)`

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -II
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  2. A hydrogen atom emits a photon corresponding to an electron transition...

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  3. when an electron jumps from the fourth orbit to the second orbit, one ...

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  4. If the radius of the first Bohr orbit of the H atom is r then for the ...

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  5. The wavelength of first member of Balmer series in hydrogen spectrum i...

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  6. A hydrogen like atom (atomic number Z) is in a higher excited state o...

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  7. Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a met...

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  8. Let v(1) be the frequency of the series limit of the Lyman series, v(2...

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  9. The transition from the state n = 4 " to " n = 3 in a hydrogen like at...

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  10. Energy required for the electron excitation in Li^(++) from the first ...

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  11. What would be maximum wavelength for Brackett series of hydrogen-spect...

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  12. What would be the radius of second orbit of He^(+) ion?

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  13. The wavelength of Lymen series for first number is

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  14. The principal quantum number, n describes

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  15. What is ratio of Bohr magneton to the nuclear magneton?

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  16. Out of the following which one is not a possible energy for a photon t...

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  17. Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in th...

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  18. A hydrogen atom initially in the ground level absorbs a photon and is ...

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  19. The speed of the electron in a hydrogen atom in the n = 3 level is

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  20. Hydrogen atom in ground state is excited by a monochromatic radiation ...

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