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Question
Q306) Which one of the following sets of quantum numbers represents an impossible arrangement? [ IIT 1986]
a) n=3, l=2, m
l
=-2, m
s
=1/2
b) n=4, l=0, m
l
=0, m
s
=1/2
c)n=3, l=2, m
l
=-2, m
s
=1/2
d)n=5, l=3, m
l
=0, m
s
=1/2
SOLUTION
Option 'c' since 'm' can take the values from -l to +l
Answer: (c)