Iat Iiser
Atomic Structure
IAT (IISER) 2025
MCQ+4 / -12025
What is the time period of revolution of an electron in the fourth Bohr orbit of $\mathrm{He}^{+}$?
[Bohr radius $=52.9$ picometers, mass of an electron $=9.11 \times 10^{-31} \mathrm{~kg}$, Planck's constant $=6.626 \times 10^{-34} \mathrm{Js}$ ]