Question

in bohr model atomic radius of the first orbit is R the radius of the third orbit is

Answer 1

Answer:

In Bohr's model of the hydrogen atom, the radius of the first orbit is r0 and to find the radius of the third orbit. The radius of the third orbit is calculated as 9r0. Answer is Option (D), 9r0. Note: In 1913, Niel Bohr introduced the atomic hydrogen model.