In a sample of H-atom electrons make transition from 5th excited state upto ground state, producing all possible types of photons, then find out the number of lines in Infrared region?

1 Answer
Junaid Mirza
Jun 6, 2018

#6#

Explanation:

#5^"th"# excited state#= 6^"th"# shell

All types of transitions in #"IR"# region are

#1. 6 -> 5 color(white)(......) 4. 5 -> 4#
#2. 6 -> 4 color(white)(......) 5. 5-> 3#
#3. 6 -> 3 color(white)(......) 6. 4 -> 3#

Number of lines in infrared region are #6#

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