Whichis are correct statement.

Options

A. The difference in angular momentum associated with the electron present in consecutive orbits of
H-aom is `(n-1)(h)/(2pi)`
B. Energy difference between energy levels will be changed If ,P.E. at infinty assigend value othe rthan
zero.
C. Frequncey of spectral line in a H-atom is in the order of`(2rarr1)lt(3rarr1)lt(4rarr1)`
D. On moving away from the nucleus , kinetic energy of electron decreases.

Answer

C, D

Explanation

Difference in angular momenture of consective orbits is=`(h)/(2pi)`
Energy difference between two orbits its indendent of reference frequcecy of spectral line decrease
on decreasing the difference in energy levels.
On moving away speed & KE decreases as V `propto(1)/(r)`