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Grade: 12
        
In the emission line spectra of hydrogen atom how many lines can be accounted for by all possible electron transitions between five lowest energy levels within the atom.
one year ago

Answers : (1)

Ravneet
104 Points
							
 
Possible spectral lines= (n2-n1)(n2-n1+1)/2 this is the possible numbers. electron when jumps from n2=5 to n1=1 then according to the formula possible lines=(5-1)(5-1+1)/2=10
So the possibilities are 5 to 4 , 5 to 3 , 5 to 2, 5 to 1,  4 to 3 , 4 to 2 4 to 1, 3 to 2 , 3 to 1,  2 to 1
one year ago
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