Question

Total number of spectral lines in uv region

Answer 1

UV region refers to lyman series ..according to question, transition is from 5th excited state to 1st excited state.. that means, from n=6 to n=2 . but, the transition from n=6 to n=2 is not possible for lyman series(possible for balmer series) (coz, transition in lyman series is from infinity to n=1 only)..so, the no. of spectral lines in uv region(lyman series) is 0.


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Answer 2

Uv region means Lyman series but n =6 and n=2is not possible for Lyman but it is possible for barmer series soo the no.of spectral lines is 0