1.

The minimum energy required to excite a hydrogen atom from its ground state is [EAMCET (Engg.) 1995; MP PMT 1997; CPMT 1999; DCE 1999]

A.   13.6 eV        
B.   \[-13.6\ eV\]
C.   3.4eV  
D.   10.2 eV
Answer» E.


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