Atoms And Nuclei Question 320

Question: The energy of electron in the nth orbit of hydrogen atom is expressed as En=13.6n2eV. The shortest and longest wavelength of Lyman series will be

Options:

A) 910Ao,,1213Ao,

B) 5463Ao,,7858Ao,

C) 1315Ao,,1530Ao,  

D) None of these

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Answer:

Correct Answer: A

Solution:

  • 1λmax=R[1(1)21(2)2]λmax=43R1213Ao, and 1λmin=R[1(1)21]λmin=1R910Ao,


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