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When the electron of a hydrogen atom jum...

When the electron of a hydrogen atom jumps from the n=4 to the n=1 state , the number of all pos - sible spectral lines emitted is :-

A

15

B

6

C

3

D

4

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ALLEN-Atomic Structure-All Questions
  1. Which of the following statements (regarding an atom of H ) are correc...

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  2. The ionisation potential of hydrogen atom is 13.6 volt. The energy req...

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  3. When the electron of a hydrogen atom jumps from the n=4 to the n=1 s...

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  4. An electron in an atom jumps in such a way that its kinetic energy cha...

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  5. Which orbital notation does not have spherical node?

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  6. In how many elements does the electron have the quantum number of n =...

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  7. For principle quantum number n = 4, the total number of orbitals havin...

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  8. Choose the wrong one on the basis of Bohr 's theory :-

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  9. In which transition minimum energy is emitted :-

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  10. If the value of principal quantum number is 4 , the possible values fo...

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  11. If the value of E=-78.4 "kcal//mol", the order of the orbit in hydroge...

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  12. The ratio of energy of the electron in ground state of hydrogen to the...

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  13. The most intense line in the Brackett series of the spectrum of atomic...

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  14. If kinetic energy of a proton is increased nine times the wavelength o...

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  15. If first ionisation potential of a hypothetical atom is 16 V, then the...

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  16. The angular momentum J of the electron in a hydrogen atom is proportio...

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  17. Which one of the following sets of quantum numbers represents an impos...

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  18. An electron is present in 4 f sub - shell . The possible values of azi...

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  19. How many electrons in calcium have l = 0 ?

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  20. For n = 4 , which of the following is true

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