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प्रश्न
Draw the energy level diagram showing how the line spectra corresponding to Paschen series occur due to transition between energy levels.
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उत्तर
For Paschen series, nf = 3 and ni = 4, 5, …
`1/lambda = R (1/3^2 -1/n_i^2 )`
Where, ni = 4, 5, …
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