The binding energy of H -atom in its ground state is 13.6 eV. The energies required (in eV ) to remove an electron from the three lowest orbits of the H -atom are respectively
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Binding energy B.E. 
For ground state, 
where 
For first orbit, 
For second orbit, 
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