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 hydrogen atom, the ratio between the period of revo

1.	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
Answer» `1:2` `2:1` `1:4` `1:8` SOLUTION :`(T_1)/(T_2) = (n_1^3)/(n_2^3) = (1^3)/(2^3) = 1/8 . Q(T = (2pir)/(V)) ` So `T PROP (n^3)/(Z^2)`