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The energy of an electron in the ground state (n = 1) for \({\mathrm{He}}^{+}\) ion is \(-\mathrm{x}\) Joules then that …

Q1

The energy of an electron in the ground state (n = 1) for \({\mathrm{He}}^{+}\) ion is \(-\mathrm{x}\) Joules then that for an electron in n = 2 state for \({\mathrm{Be}}^{3+}\)ion in Joule is

a

\(-\frac{4}{9}\mathrm{x}\)

b

\(-\mathrm{x}\)

c

\(-\frac{\mathrm{x}}{9}\)

d

\(-4\mathrm{x}\)

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