1.

The ionisation energy of hydrogen atom is 13.6 eV. Following Bohr's theory, the energy corresponding to a transition between the 3rd and the 4th orbit is [CBSE PMT 1992; DPMT 2000; RPMT 1999;  AMU (Med.) 2001]

A.   3.40 eV        
B.   1.51 eV
C.   0.85 eV        
D.   0.66 eV
Answer» E.


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