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According to Bohr theory, the electronic...

According to Bohr theory, the electronic energy of hydrogen atom in the nth Bohr orbit is given by
`E_(n)=-(21.76xx10^(-19))/(n^(2))J`.
Calculate the longest wavelength of light that will be needed to remove an electron from the 2nd orbit of `Li^(2+)` ions.

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Verified by Experts

The correct Answer is:
`4.059xx10^(-8)m`
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