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The number of possible line of Paschen series when electron jumps from seventh excited state up to ground state (in hydrogen like atom) is :
A. 2
B. 5
C. 4
D. 3

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Correct Answer - B
(b) Number of line of Paschen series
=`5(8 rarr 3,7 rarr3,6 rarr 3,5 rarr 3,4 rarr 3)`.

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