1.

Supposingthe energy of the energy levelsin the hydrogen atom is given under Energy level K L M N.. n=1 n=2n=3 n=4=n=infty Total energy of anat n =1 is 864 a.u the ecitation energy needed to raise the electron from M levelto n= infty wouldbe :

Answer»

192
96
188
384

Answer :B


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