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Considering the Bohr model of hydrogen like atoms, the ratio of the radius of \({5}^{\text{th }}\) orbit of the electron…

Q1

Considering the Bohr model of hydrogen like atoms, the ratio of the radius of \({5}^{\text{th }}\) orbit of the electron in \({\mathrm{Li}}^{2+}\) and \({\mathrm{He}}^{+}\)is:

[JEE Main 2025, 4 Apr (Shift 1)]

a

\(\frac{3}{2}\)

b

\(\frac{4}{9}\)

c

\(\frac{9}{4}\)

d

\(\frac{2}{3}\)

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