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Q429) the electrons identified by quantum numbers n and l (i) n=4, l=1 (ii) n=4, l=0 (iii) n=3 , l=2 (iv) n=3, l=1 can be placed in order of increasing energy, from the lowest to highest, as


energy is more if (n+l) is more , if value for two (n+l) is same then more the value of n more is the energy
Answer: (a)