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. `(a)lt(c )lt(b)lt(d)`
B. `(c )lt(d)lt(b)lt(a)`
C. `(d)lt(b)lt(c )lt(a)`
D. `(b) lt (d) lt (a)lt(c )`