The energy levels of hypothetical one electron atom are shown below.
`0 eV "__________" n=oo`
`-0.50 eV "__________" n=5`
`-1.45 eV "__________" n=4`
`-3.08 eV "__________" n=3`
`-5.3 eV "__________" n=2`
`-15.6 eV"__________" n=1`
(a) Find the ionisation potential of atom?
(b) Find the short wavelength limit of the series terminating at `n=2`?
(c ) Find the wave no. of photon emitted for the transition made by the electron from third orbit to first orbit?

Answer

(a) `15.6 V` (b) `233.9 nm`, (c) `1.009xx10^(7) m^(-1)`