which of the following is not possible-a.)n=3,l=2,m=0 b.)n=1,l=0,m=0 c.)n=3,l=3,m=2 d.)n=4,l=3,m=-3

option (c) is not possible because 3f does not exist.
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Option c
Because values of l (Azimuthal quantum number ) depend upon n (Principle Quantum number ) as 0 - (n - 1 ).
Hence for n = 3 , l can take values only ranging from 0 to 2.
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