Which orbit of `Be^(3+)` ion has the same radius as that of the 1st orbit of H-atom?

Which orbit of Be^(3+) has almost same radius as that of the ground state of H-atom?

Which of the following orbit of He^(+) ion will have the same energy as that of second orbit of hydrogen atom?

Which state of the triply ionized Beryllium (Be^(3+)) has the same orbit radius as that of the ground state of hydrogen atom?

Which state of the triply ionized Beryllium (Be^(3+)) has the same orbit radius as that of the ground state of hydrogen atom?

Which state of the triply ionized Beryllium (Be^(3+)) has the same orbit radius as that of the ground state of hydrogen atom?

Which state of the triply ionized Beryllium (Be^(3+)) has the same orbit radius as that of the ground state of hydrogen atom?