Which of the following statement(s) is/are incorrect
Which of the following statement(s) is/are incorrect
A. Number of sub-shell presentin M-shell = 3
B. `Cu^(+)` (Z=29) is paramagnetic.
C. Zeeman effect explains splitting of special lines in magnetic field
D. Orbital angular momentum of an `e^(-)` is `(h)/(2pi) sqrt(l(l+1))`
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