1.

The transition of electron in hydrongen atom having minimum wavelength is :

Answer»

`n_(3)ton_(2)`
`n_(4)ton_(3)`
`n_(5)ton_(4)`
All have the same wavelength

Solution :`E_(3()-E_(2)`for Ho atom (first LINE in BALMER series)
`-=(E_(1(H)))/9+(E_(1(H)))/4=(4e_((1H)))/36`
`E_(6)-E_(4)`for `He^(+)=-(E_(1(H))xx2^(2))/(6^(2))+(E_(1(H))xx2^(2))/16`
`((-4)/36+1/4)E_(1(H))=(5E_((1H)))/36`


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