The correct option is C One spherical and one non-spherical node
Total node =n−1
Number of spherical node =n−l−1
Number of non-spherical node =l
For 3p subshell, n=3 and l=1
∴ The number of spherical node =n−l−1=3−1−1=1
and the number of non-spherical node =l=1.