A spectral line is measured to have a wavelength of

Joshua Foley 2022-07-14 Answered
A spectral line is measured to have a wavelength of 1000nm. Is this within the Balmer series?
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Answers (1)

vrtuljakwb
Answered 2022-07-15 Author has 13 answers
For Balmer series, shortest wavelength is when transition takes from n = 3 to n = 2.
Wavelength for transition is given by, 1 λ = ( 1.097 × 10 7 ) ( 1 n 1 2 1 n 2 2 )
Substituting values,
1 λ = ( 1.097 × 10 7 ) ( 1 2 2 1 3 2 ) λ = 6.56 × 10 7 m = 656 n m
Since 1000 nm > 656 nm, hence, it belongs to Balmer series.
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