Atomic Structure Question 373

Question: The wavelength of Hα line of Balmer series is X Ao, . What is the X of Hβ line of Balmer series.

Options:

A) X10880Ao,

B) X80108Ao,

C) 1X80108Ao,

D) 1X10880Ao,

Show Answer

Answer:

Correct Answer: B

Solution:

  • Hα line of Balmer series means first line of Balmer series. n1=2,n2=3

v=1λα=R(122132)=5R36
λα=365R=X

Hβ line of Balmer series means, second line of Balmer series, n1=2,n2=4

v=1λβ=R(122142)=3R16
λβ=163R=X when 363R=X then 163R=X×5R×1636×3R=80X108A,



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