निम्न क्वाण्टम संख्याओंके सेटों ( sets ) में कौन -सा सेट संभव नहीं है और क्यों ?
(a) `n = 3, l = 2 , m = + 3 m, s = + (1)/(2)`
(b) `n = 4, l = 4 , m = + 3 , s = - (1)/(2)`
(c ) `n = 0 , l = 0 , m = 0, s = + (1)/(2)`
`(d) n = 4, l = 0 , m = 0 , s = - (3)/(2)`

Which of the following sets of quantum number is INCORRECT? (I) n=3, l = 4, m=0, s=+(1)/(2) (II) n=3, l = 3, m = +3, s=+(1)/(2) (III) n=6, l = 0, m=+1, s=-(1)/(2) (IV) n=4, l = 2, m = +2, s=0

Which of the following sets of quantum number is INCORRECT? (I) n=3, l = 4, m=0, s=+(1)/(2) (II) n=3, l = 3, m = +3, s=+(1)/(2) (III) n=6, l = 0, m=+1, s=-(1)/(2) (IV) n=4, l = 2, m = +2, s=0

Explain giving reasons which of the following sets of quantum number are not possible (a ) n=0, l =0 m_(l) = 0, m_(s ) =+ (1)/(2) ( b) n=1 , l = 0 m_(l) = 0, m_(s ) = - (1)/(2) ( c) n=1 , l = 1, m_(l ) = 0, m_(s ) = + (1)/(2) (d ) n= 2, l = 1, m_(l ) = 0, m_(s ) = (1) /(2) ( e) n=3, l = 3, m_(l) = 3, m_(s ) = + (1)/(2) (f ) n=3, l = 1, m_(l) = 0, m_(s) l = + (1)/(2)

If l : m = 2 (1)/(2) : 1(2)/(3) and m : n = 1 (1)/(4) : 3 (1)/(2) , find l : m : n

The quantum number of six electrons are given below ,Arrange them in order of increasing energies . If any of these combination has have the same energy lists : (1) n-4 ,l=2 , m_(1) = 2m_(1) = (1)/(2) (2) n=3 , l = 2, m_(1) = 1 ,m_(s) = (1)/(2) (3 ) n=4 , l = 1 , m_(1) = =0 m_(s ) = (1)/(2) (4 ) n=3: l = 2 m_(1) = - 2 m_(s ) = - (1)/(2) (5 ) n=3 , l = 1,m_(1) = - 1 m_(s ) = (1)/(2) (6) n=4 , l = 1, m_(1) = 0 m_(s ) = (1)/(2)

Explain giving reasons, which of the following sets of quantum numbers are not possible. a) n = 0, l = 0 m_l =0 , m_s = + 1//2 b) n = 1, l = 0, m_l = 0 , m_s = +1//2 c) n = 1, l = 1 m_l = 0 , m_s = + 1//2 d) n = 2, l = 3 m_l = 0 , m_s = -1//2 e) n = 3, l=3 m_l = -3, m_s = + 1//2 f) n = 3, l = 1 m_l = 0 , m_s = + 1//2