Atomic Structure Result Question 21-1
21. The quantum numbers $\dfrac{1}{2}$ and $\dfrac{1}{2}$ for the electron spin represent
(2001,1 M)
(a) rotation of the electron in clockwise and anti-clockwise direction respectively
(b) rotation of the electron in anti-clockwise and clockwise direction respectively
(c) magnetic moment of the electron pointing up and down respectively
(d) two quantum mechanical spin states which have no classical analogue
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Answer:
Correct Answer: 21. ( d )
Solution:
- $\dfrac{1}{2}$ and $\dfrac{1}{2}$ just represents two quantum mechanical spin states which have no classical analogue.
BETA
