• # question_answer Energy of atomic orbitals in a particular shell is in the order [AFMC 1990] A)                 $s<p<d<f$        B)                 $s>p>d>f$ C)                 $p<d<f<s$        D)                 $f>d>s>p$

In particular shell, the energy of atomic orbital increases with the value of $l.$