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Navjyot Kalra , 11 Years ago
Grade 10
anser 1 Answers
Aditi Chauhan

Last Activity: 11 Years ago

        (a)

K.E. =  (13.6eV) 

Mechanical energy = (13.6 eV) 

\      K.E. in 2nd orbital for hydrogen

= - Mechanical energy

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