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
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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