Mht CetAtomic StructureMHT CET 2024 4th May Evening ShiftMCQ+1 / -02024Calculate radius of fourth orbit of $\mathrm{B}^{4+}$ ion.A 169.3 pmB 211.6 pmC 380.8 pmD 413.2 pmCheck AnswerClear SelectionReveal AnswerShow Explanation