As per Bohr model, (I) minimum energy required to remove an electron from ground state of doubly ionized `Li` atom `(Z=3)` is `122.4eV`. (II) energy of transition `n=3` to `m=2` is less than that of `m=2` to `n=1`. (III) minimum energy required to remove an electron from ground state of singly-ionised He atom `(z=2)` is `27.2eV` (IV) A Trasnsition from state `n=3` to `n=2` in a hydrogen atom result in `U-V` radiationA. `II,III,IV`B. `I,II`C. `II,III`D. `I,III,IV`

As per Bohr model, (I) minimum energy required to remove an electron f

1.	As per Bohr model, (I) minimum energy required to remove an electron from ground state of doubly ionized `Li` atom `(Z=3)` is `122.4eV`. (II) energy of transition `n=3` to `m=2` is less than that of `m=2` to `n=1`. (III) minimum energy required to remove an electron from ground state of singly-ionised He atom `(z=2)` is `27.2eV` (IV) A Trasnsition from state `n=3` to `n=2` in a hydrogen atom result in `U-V` radiationA. `II,III,IV`B. `I,II`C. `II,III`D. `I,III,IV`
Answer» Correct Answer - B

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