Atomic Structure Question 494

Question: In a sample of H-atom electrons make transition from 5th excited state to ground state, producing all possible types of photons, then number of lines in infrared, region are

Options:

A) 4

B) 5

C) 6

D) 3

Show Answer

Answer:

Correct Answer: C

Solution:

  • Maximum number of lines produced $ =\frac{6(6-1)}{2}=15 $ . Out of these 15 lines, 5 lines belong to ultra violet region and 4 lines are in visible region and rest are in infrared region.


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