1 .   F i n d   e n e r g y   e x p r e s s i o n   o f   n = 1   t o   n = 7   f o r   z = 1 2 .   F i n d   e n e r g y   o f   p h o t o n   r e q u i r e d   t o   j u m p . n = 1   t o   n = 2 n = 2   t o   n = 3 n = 3   t o   n = 4 n = 4   t o   n = 5 n = 5   t o   n = 6 n = 6   t o   n = 7 n = 7   t o   n = 8  

Daer Student

1 The expression isE=-13.6[1nf2-1ni2]eV2) from n=1 to n=2E=-13.6[14-1]=3.4*3=10.2eVFor further queries please ask in another threat so that we can help you in abetter way.Regards

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