in bohr model of hydrogen atom, rhe ratio of period of revolution of an electron in `n=2 and n=1` orbits is

In Bohr model of hyrogen atom, the ratio of periods of revolution of an electon in n = 2 and n = 1 orbit is

In Bohr.s model of hydrogen atom, the ratio between the period of revolution of an electron in orbit n=1 to the period of the electron in the orbit n=2 is

In Bohr's model of the hydrogen atom the ratio between the period of revolution of an electron in the orbit of n=1 to the period of the revolution of the electron in the orbit n=2 is :-

In Bohr' model of the hydrogen atoms the ratio between the period of revolution on an electron in the orbit n = 1 to the period of revolution of the electron in the orbit n = 2 is

In Bohr's model of the hydrogen atom the ratio between the period of revolution of an electron in the orbit of n=1 to the period of the revolution of the electron in the orbit n=2 is :- (a). 1 : 2 (b). 2 : 1 (c). 1 : 4 (d). 1 : 8