The electrons identified by quantum numbers n and I : <br> (a) n = 4, I = 1 (b) n = 4, I = 0 (c) n = 3, I = 2 (d) n = 3, I = 1 <br> Can be placced in order of increasing energy as :

Question

( A ) (c) < (d) < (b) < (a)
( B ) (d) < (b) < (c) < (a)
( C ) (b) < (d) < (a) < (c)
( D ) (a) < (c) < (b) < (d)