Hydrogen atom is ground state is excied by mean of monochromatic radiation of wavelength `975Å` How many asume different lines are possible is the resulting spactrum ? Calculate the lorgest energy for hydrogen atom as `13.6 eV`
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A, B, C
`E = (12400)/(lambda(in lambda)) eV = (12400)/(975) = 12.75 eV` ` …(i) Also `13.6 [(1)/(n_(1)^(2)) -(1)/(n_(2)^(2))] = 12.75 rArr [(1)/(1) - (1)/(n_(2)^(2))] = (12.75)/(11.6) rArr n_(2) = 4 ` For every possible transition one downward arror is shown therefore the possiblities are `6` .
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