Question

The electrons identified by quantum numbers n and l :
(A) n = 4, l = 1
(B) n = 4, l = 0
(C) n = 3, l = 2
(D) n = 3, l = 1
can be placed in order of increasing energy as :
(a) (C) < (D) < (B) < (A)
(b) (D) < (B) < (C) < (A)
(c) (B) < (D) < (A) < (C)
(d) (A) < (C) < (B) < (D)

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (A) C > D > B > A.

That's it..