number of spectral lines in balmer series when an electron return from 7th orbit to 1st orbit of hydrogen atom are
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Answer:5 will be the answer.
Explanation:
No. Of spectral line is given by, n2- n1
Since n2= 7 and n1 for balmer is 2 so as per formula,,
Spectral line will be 7-2=5.
Hope it'll help you.
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