Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In a sample of H -atom, electrons make transition from 5 th excited state to ground state, producing all possible types of photons. Then, number of lines in infrared region are:
Text Solution
Verified by ExpertsThe correct answer is:
C
Electron is in 
excited state i.e. 
Here transition from
lies in Lyman series (ultraviolet range)
lies in Balmer series (visible range).
While,
these transitions lies in infrared region. Option 'c' is correct.
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