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The ionisation energy of hydrogen atom i...

The ionisation energy of hydrogen atom is `13.6 eV`. Following Bohr's theory, the energy corresponding to a transition between the `3`rd and the `4`th orbit is

Text Solution

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`E_(3)=(-13.6)/(3^(2))=1.5eV`
and `E_(4)=(-13.6)/(4^(2))=-0.85eV`
`:.E_(4)-E_(3)=0.66eV`
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