When electron jumps from n = 4 level to n = 1 level , the angular momentum of electron changes

Options

A. `(h)/(2pi)`
B. `(2h)/(2pi)`
C. `(3h)/(2pi)`
D. `(4h)/(2pi)`

Answer

C

Explanation

`L_(1)=1xx(h)/(2pi)" when n=1"`
`L_(2)=4xx(h)/(2pi)" when n=4"`
`L_(2)-L_(1)=(3h)/(2pi)`