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Longest wavelengths in Balmer series of He +1 is ?????????????????????????????????????????????????????????????????

Longest wavelengths in Balmer series of He+1 is ?????????????????????????????????????????????????????????????????
 

Grade:12th Pass

5 Answers

Bhavya
askIITians Faculty 1281 Points
6 years ago
Dear student, please find the answer
505-1281_ans to forum 2.PNG
ASh
62 Points
6 years ago
provide me the last answer pls
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ASh
62 Points
6 years ago
fastt tmrw is the exam ….......................................................................................................................................
 
Gaurav Rathod
15 Points
6 years ago
See longest wavelength line of any series in hydrogen spectrum is the first line of the series.Again 1/ R = 912 Angstrom where R= Rydberg constant.1/ wavelength = R z^2 { 1/ n1^2 - 1/ n2^2 }n1= 2 and n2 = 3 as it is balmer series. Then solve it u will get answer.---- Gaurav Rathod,Aurangabad Mah
Anjali kumari
104 Points
5 years ago
For He +1,Z=2, for barmer series, n1=2, for longest wavelength, n2 =3 ,therefore (1/icap>>) =(R [(1/4)-(1/9)]×(2^2) = (5R/9) =(5/9a). Because 1/a=r.

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