Bohr's radius for the H-atom (n =1) is approximately 0.53 Ã…. The radius of the first excited state (n=2) is :

The Bohr orbit radius for the H-atom (Z=1) is approximately 0.53Å . The radius for the first excited state orbit is:

The radius of first Bohr orbit in H-atom is 0.53 Å. The radius of third orbit is

The radius of the first orbit of H-atom is 0.53 Å. Find the radius of the fifth orbit.

The radius of the first orbit of H-atom is 0.53 Å. Find the radius of the fifth orbit.

The radius of hydrogen atom in the ground state is 0.53 Å, the radius of Li^(2+) in the similar state is