What is the shortest wavelength in the Balmer series of He + ion ?
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Answer:
16x/7
Explanation:
Shortest wavelength in He+ (Balmer series)
λHe1=RH(221−∞21)22
λHe1=4RH×4
λHe=RH1
RH1=λHe=x
Longest wavelength in Li+2 (paschene series)
λH1=RH32(321−421)
λLi1=RH(1447
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