The radius of the first orbit in Bohr's hydrogen atom is 0.53Å. The radius of fourth orbit of this atom will be: |
1.06 Å 0.53 Å 2.12 Å 8.48 Å |
8.48 Å |
The correct answer is Option (4) → 8.48 Å In Bohr's model, the hydrogen atom radius is - $r_n=n^2.r_1$ $=(4)^2.(0.53Å)$ $=8.48 Å$ |