Question
According to Bohr's atomic theory :
(A) Kinetic energy of electron is $ \propto {{{Z^2}} \over {{n^2}}}$.
(B) The product of velocity (v) of electron and principal quantum number (n), $'vn' \propto {Z^2}$.
(C) Frequency of revolution of electron in an orbit is $ \propto {{{Z^3}} \over {{n^3}}}$.
(D) Coulombic force of attraction on the electron is $ \propto {{{Z^3}} \over {{n^4}}}$.
Choose the most appropriate answer from the options given below :
(A) Kinetic energy of electron is $ \propto {{{Z^2}} \over {{n^2}}}$.
(B) The product of velocity (v) of electron and principal quantum number (n), $'vn' \propto {Z^2}$.
(C) Frequency of revolution of electron in an orbit is $ \propto {{{Z^3}} \over {{n^3}}}$.
(D) Coulombic force of attraction on the electron is $ \propto {{{Z^3}} \over {{n^4}}}$.
Choose the most appropriate answer from the options given below :