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Which of the transitions in hydrogen ato...

Which of the transitions in hydrogen atom emits a photon of lowest frequecny `(n =` quantum number)?

A

n = 2 to n = 1

B

n = 4 to n = 2

C

n = 4 to n = 3

D

n = 3 to n = 1

Text Solution

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The correct Answer is:
C
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. When a hydrogen atom is raised the ground state to third state

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  2. The ratio of the energies of the hydrogen atom in its first to second ...

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  3. Which of the transitions in hydrogen atom emits a photon of lowest fre...

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  4. The wavelength of radiation emitted is lambda(0) when an electron jump...

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  5. If an electron in hydrogen atom jumps from third orbit to second orbit...

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  6. The total energy of an electron in the first excited state of the hydr...

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  7. The figure indicates the enegry level diagram of an atom and the origi...

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  8. If the energy of a hydrogen atom in nth orbit is E(n), then energy in ...

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  9. The ionization potential for hydrogen atom is 13.6 eV, the ionization ...

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  10. If the ionization potential of hydrogen atom is 13.6 V, its energy in ...

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  11. The ionisation energy of Li^(2+) atom in ground state is,

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  12. Which state of the triply ionized Beryllium (Be^(3+)) has the same orb...

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  13. What is the wavelength of ligth for the least energetic photon emitted...

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  14. What is the ratio of shortest wavelength of the Balmer series ot the ...

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  15. Which of the following statements is correct ?

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  16. The wavelength of the first line of Lyman series for hydrogen atom is ...

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  17. The series corresponding to minimum wavelength transition in H-atom :-

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

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  19. Which series of H(2) atom lie in infrared region?

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  20. The Wavelength of first member of Balmer series in hydrogen spectrum i...

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