Which is/are correct statement.

Options

A. The difference in angular momentum associated with the electron present in consecutive orbits of Hatom is `(n-1) (h)/(2pi)`
B. Energy difference between energy levels will be changed if, P. E. at infinity assigned value other than zero.
C. Frequency of spectral line in a H-atom is in the order of `(2 to 1) ( 3 to 1) lt (4 to 1)`
D. On moving away from the nucleus, kinetic energy of electron decreases.

Answer

C, D