Solve this:
Q.12. Let F 1 be the frequency of second line of Lyman series and F 2 be the frequency of first line of Balmer series then frequency of first line of Lyman series is given by
(1) F 1 - F 2
(2) F 1 + F 2
(3)  F 2 F 1
(4) F 1 F 2 F 1 + F 2

second line of lyman series.E=13.611-132F1=Ehfirst line of balmer seiresE'=13.6122-132F2=E'hfirst line of thelyman series.E''=13.611-122F3=E''hE''=E-E'=13.611-132-13.6122-132=13.611-122hece F1-F2=F3Regards

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