According to Bohr's model, the radius of the second orbit of helium atom is

According to Bohr model of atom

According to Bohr model , radius of the first orbit of hydrogen atom is r_1 then the radii of second , third and fouth orbitals in term of r_1 are

According to Bohr's atomic model

According to Bohr's atomic model

According to Bohr's atomic model

According to Bohr's atomic model

According to Bohr's theory, the radius of the n^(th) orbit of an atom of atomic number Z is proportional

According to Bohr's theory, the radius of the n^(th) orbit of an atom of atomic number Z is proportional

Bohr's Model(radius of orbit)

According to Bohr's model , the ratio of the energies of the electron in the first orbit of hydrogen atom and He^(+) atom is