Iat IiserAtomic StructureIAT (IISER) 2026MCQ+4 / -12026What is the ratio of the velocity of an electron in the fourth orbit of $\text{Be}^{3+}$ to the velocity of the electron in the second orbit of $\text{He}^+$?A$1:1$B$1:2$C$6:1$D$3:2$Check AnswerClear SelectionReveal AnswerShow Explanation