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  • An  undergoes a transition from 4 th Excited state to the ground state of H-atom. Calculate the no. of lines pre

An \mathrm{e^{-}} undergoes a transition from 4 th Excited state to the ground state of H-atom. Calculate the no. of lines present in visible region.

Option: 1

2


Option: 2

3


Option: 3

4


Option: 4

5


Answers (1)

best_answer

\Longrightarrow Balmer series comes in visible region

\mathrm{N=\frac{(5-1)(5-1+1)}{2}=10} spectral lines

Lines of specific series \mathrm{=n_2-g .s} of that series

                                      \mathrm{=5-2=3}

\therefore Option (2) is correct answer.

Posted by

Kuldeep Maurya

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