Question

Consider the following set of quantum numbers

	n	l	$m_1$
A	3	3	-3
B	3	2	-2
C	2	1	+1
D	2	2	+2

The number of correct sets of quantum numbers is _______

Answer 1

Quantum no. of $\operatorname{set}(B)$ and $(C)$ can be correct. (A) and (D) are wrong as $n=\ell$ is not possible.