Determine the spectral lines correspond to paschen series, Chemistry

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The emission spectrum of hydrogen is found to satisfy the expression for the energy change. teiangle E  (in joules) such thatTriangle E= 2.18x10(1/n21 - 1/ n21) J  where n1  = 1, 2, 3..... and   = n2, 3, 4....... The spectral lines correspond to Paschen series to:

(1) n1= 1 and n2 = 2,3,4,     

(2) n1= 3 and n2= 4,5,6,      

(3) n1= 1and n2= 3,4,5,

(4) n1= 2 and n2= 3,3,5   

(5)n1= 1 and n2 = infinity

Ans:   n1= 3 and n2= 4,5,6,

 


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