A hydrogen atom (ionisation potential 13.6 eV) makes a transition from – McqOptions

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1.	A hydrogen atom (ionisation potential 13.6 eV) makes a transition from third excited state to first excited state. The energy of the photon emitted in the process is [MNR 1995]
A.	1.89 eV
B.	2.55 eV
C.	12.09 eV
D.	12.75 Ev
Answer» C. 12.09 eV

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