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The frequency of one of the lines in Pas...

The frequency of one of the lines in Paschen series of hydrogen atom is `2.340 xx 10^11 Hz`. The quantum number `n_2` Which produces this transition is.

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The correct Answer is:
5
`v = Rc{1/n_(1)^2-1/n_(2)^2}=Rc{1/3^2-1/n_2^2}rArrn_2=5`
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