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  4. For principle quantum number n = 4, the total number of orbitals having l = 3 is

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Q. For principle quantum number $n = 4$, the total number of orbitals having $l = 3$ is

AIIMSAIIMS 2004Structure of Atom

Solution:

For $n=4, l=3$ ( $f$-subshell), number of values of $m=2 l+1=7$ values. $\Rightarrow $ number of orbitals in $f$-subshell is $7 .$